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do you really know raymond roller mill - raymond mill | agico cement

Raymond roller mill, also known as Raymond mill, is a commonly used grinding mill in industrial production, can be used for processing more than 280 kinds of materials. It has the characteristics of stable performance, simple structure, convenient operation, long service life and high output. About its origin, I believe many people are holding a curiosity.

In 1906, C. V. Grueber founded the Curt Von Grueber Machinery Factory in the southern suburbs of Berlin. During this period, he manufactured the first MAXECON mill by using the patent he obtained in the United States. This mill was successfully applied as a coal mill in the MOABIT power station in Berlin, with grinding capacity up to 5 tons per hour. After that, E.C. Loesche became a shareholder and headed the Curt Von Grueber Machinery Factory. He purchased the Raymond Centrifugal Ring-roller Mill patent from the United States to produce the first generation Raymond mill system.

However, due to the limitation of roll diameter and rotation speed, Raymond mill was only suitable for soft, low ash and good grindability materials, while Germanys coal was hard, high ash and required higher grinding force, so Raymond mill was not popularized in Germany at that time, but widely promoted and applied in the United States.

In 1925, after E. C. Loesche summarized the characteristics and structural disadvantages of the first generation Raymond roller mill, he developed a grinding mill with the opposite grinding principle of the first generation. We called it the modified Raymond roller mill. The ventilation of this type Raymond mill system has two ways: positive pressure blowing and negative pressure blowing. While, although its roll diameter increases slightly, the grinding force does not increase much.

After the second generation, the Raymond branch of the United States developed a new generation of Raymond mill on this basis. We called it VR Raymond roller mill. This type of grinding mill uses a cylindrical roller and a grinding disc with an angle of l 5 degree. During the inspection and maintenance of the grinding roller, the automatic rolling out device and protection device are provided to prevent the metal contact between the grinding roller and the grinding disc. Besides, the grinding roller can be lifted in advance before the mill starts running to reduce the starting torque of the motor.

According to the accumulation and analysis of the on-site operation data for more than 20 years, AGICO, a Chinese cement plant equipment manufacturer, has manufactured a new generation Raymond mill which has more mature technology and more stable operation. Our Raymond mill can fine grind more than 300 kinds of materials with Mohs hardness below 9.3 and humidity below 6% in many industries, such as mining, construction, chemical industry, chemical fertilizer, etc. The finished product granularity can reach 0.125-0.044 millimeters. According to different requirements, the maximum fineness is up to 0.013 millimeters.

With the advanced process, competitive price and attentive service, AGICOs Raymond mill are appreciated by customers from home and aboard. If you have any need for Raymond mill or other cement plant equipment, please feel free to contact us!

AGICO Group is an integrative enterprise group. It is a Chinese company that specialized in manufacturing and exporting cement plants and cement equipment, providing the turnkey project from project design, equipment installation and equipment commissioning to equipment maintenance.

ygm series raymond mill machine_raymond roller mill-shanghai befirm.-shanghai befirm

Range of application: Range of ygm series raymond mill application: Feldspar, calcite, limestone, talc, barite, rare earth, marble, phosphate ore, kaolin, bentonite, gypsum, Perlite diatomite, dolomite etc.

1.Reduce the roller and vibrate and improve the production volume according to the calculation, Regarding to the YGM seriesRaymond roller mill, under the sufficient grind force, the rollers is reduced and the grind space can be increased, The material layer filled better between the roller and ring, the attrition between rollers and rings is low, and the vibration and noise are also reduced, at the same time, the resistance of airflow of the fan becomes less. Winds can flow freely, thus the winds increase greatly, which determines the increase in the production volume. The production volume is 20% to 30% higher than R Raymond mill;

4.High efficiency and stability, the ring and roller always contact during processing, the efficiency and stability of thegrindare improved;5.Higher Accuracy powder Classify, without coarseness missing, Variable frequency Squirrel cage classifierPatent product is adopted, the accuracy is 80-600 meshes. The classify efficiency reached 99%. The powder selection is stable and adjustable, compare with the blade type, it can greatly improve the powder selection efficiency and qualification rate of the Final product.

raymond mill,vertical roller mill,cement ball mill,grinding mill,high-pressure suspension mill,three-ring micro powder mill-great wall heavy industry

Tel: 0086- Fax: 0086- Website: http://www.chinaraymondmill.com E-mail: [email protected] Add: No. 15, Longjiang Road, Shangjie District, Zhengzhou City, China.

Raymond grinding mill is a new product by Zhengzhou Great Wall Heavy Industry Machinery Co., Ltd. upon many years research and development,it is designed by adopting advanced structure of similar products at home and abroad and bettering them in the industry.The Raymond mill are mainly applied to crush the barite, limestone, ceramic, slag with the Mohs hardness of less than 7 degree....

parts of raymond milling plant, introduction of raymond mill, upgraded version of raymond mill, raymond mill

Raymond mill is widely used in the grinding of mineral products in metallurgy, building materials, chemical industry, mining and other fields. It is suitable for processing various non-flammable and explosive materials with Mohs hardness below 7 and humidity below 6%. Between 613m and 44m, the combination of the analyzer and the fan can meet the requirements of different users.

Silo: In order to improve the production efficiency, the preparation silo is arranged above the mixer, so that there is always a batch of the prepared materials waiting for mixing, which can increase the production efficiency by 30%, so as to reflect the advantages of the high-efficiency mixer. Secondly, the material will form a gas arch and it is difficult to cut the material. The silo should be equipped with a gas-assisted air cushion or a vibration motor. For maintenance and sealing, the silo port should be equipped with a pneumatic or manual valve. In order to smooth the material, the cone angle of the silo should not be greater than 60 degrees.

Feeder: The vibrating feeder uses the eccentric mass in the vibrator to generate centrifugal force, so that the moving part of the sieve box, vibrator and the like can be forced into a continuous circular or nearly circular motion. The material is continuously thrown with the screen box on the inclined screen surface, and the material is continuously and uniformly sent to the receiving port.

Raymond Mill is a common industrial milling equipment. Raymond Mills originated in 1906. CVGrueber created the Curt Von Grueber machinery factory in the southern suburbs of Berlin. So far, it has evolved for many generations. However, now Raymond Mill The performance of the powder machine is also much better than the Raymond grinding at that time;

Pulse dust collector: The pulse dust collector is when the dust-containing gas enters the dust collector from the air inlet, first hits the sloping plate and the baffle in the middle of the air inlet and outlet, the air flow turns into the ash hopper, and the air flow speed is slowed down due to inertia. The coarse particles of dust in the gas flow directly into the ash bucket. As a function of pre-collection, the airflow entering the ash bucket is then folded upwards and collected through the filter bag dust containing the metal skeleton inside, and is collected on the outer surface of the filter bag, and the purified gas enters the upper cleaning chamber of the filter bag chamber, and is collected. When the tuyere is discharged and the dust-containing gas is purified through the filter bag, the dust accumulated on the filter bag increases with time, increasing the resistance of the filter bag, causing the treatment air volume to gradually decrease, for normal work, to be controlled. Resistance is within a certain range

In main unit's working process, grinding roller device not only performs gyration by surrounding the central axisbut also performs revolution by surrounding the grinding ring. The grinding roller itself self- rotates by rubbing effect, the merit of which is that it can not only fully pulverize material, but also ensure uniform wear around grinding roller, increasing service life of grinding roller. perching knife, which is installed under grinding roller hanger, rotates with grinding roller at the same time. In this process, the perching knife throws up materials and feed them into grinding ring of grinding roller to form a padding layer. This padding layer is pulverized through outward centrifugal force generated by grinding rollernamely extrusion force between grinding roller and grinding ringfor the purpose of pulverization.

The existing material is introduced into the large silo by the existing sand cart, and the material is evenly fed into the Raymond mill by the automatic feeder, and the grinding powder and the grinding ring are ground by the mill, and the fine powder meets the fineness requirement. It enters the dust collector through the analysis machine, collects it in the dust collector, collects and stores it, and mentions it in the finished product warehouse through the hoist. The whole process belongs to the closed loop system and operates under negative pressure. It is equipped with a pulse dust collector to ensure the clean and tidy production site.

Raymond Mill is a common industrial milling equipment. Raymond Mills originated in 1906. CVGrueber created the Curt Von Grueber machinery factory in the southern suburbs of Berlin. So far, it has evolved for many generations. However, now Raymond Mill The performance of the powder machine is also much better than the Raymond grinding at that time;

3. The system efficiency is low, the separation effect of the product collection system is not ideal, and a large amount of fine powder can not be effectively collected and repeated in the system to cause power waste.

4. There are mistakes in the design of the main air box air duct. The larger particles entering the material in the grinding area and the particles that have been mined in the future are often thrown into the bellows and gathered at the tail of the volute, and continue to extend forward, so that the amount of over-wind is gradually reduced. Causes traffic jams, no powder or less powder, affecting production.

According to accumulation and experimental analyses of on-site test data for more than thirty years, SBM, a Chinese grinding mill manufacturer, has researched and developed the fifth-generation pendulous hanging grinding mill MRN Grinding Mill. All non-combustible and non-explosive brittle mineral products whose Moh's hardness are below Grade 7 and water content below 6% could be ground by this grinding mill.

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding mills. This grinding mill perfectly satisfies the production demands of the customers on 200-33m (80-425Mesh) fine powder.

MTM Medium-speed Grinding Mill is a world leading tool for powder grinding. MTM grinding mill absorbs world first-class industrial powder milling technology and organizes the technical experts and related engineers for elaborate design, test and improvement.

hcm raymond mill, raymond roller mill, pendulum grinding mill

Raymond mill, or R series grinding mill, pendulum mill, originated by Raymond brothers around 1880s. Raymond mill was introduced in China around 1950s, Guangxi Guilin was one of the grinding mill production base.

After the practicing and innovating of more than 100 years, the structure of R mill is becoming better day by day. As a professional grinding mill manufacturer, Guilin Hongcheng applied latest technology to upgrade Raymond mill and made a better performance for it.

HCM Vertical Mill is designed to dry, pulverize, classify and collect various types of minerals, concrete, cement, coal, limestone, calcite, active carbon, quartz stone, marble, feldspar, barite, gypsum, titanium iron ore, phosphate rock, coal gangue, zircon sand, kaolin and other chemicals with feed sizes ranging from 15-40 mm, and output fineness upto 97% 80-400 mesh.

HCM Raymond Mill is suited for dry and wet grinding process, for different Mohs scale of hardness, for wide Mesh range of material sizes from granular to fine, with TPH efficient performance, stable operation, low energy, long lifetime and short downtime.

Raw material is firstly broken by jaw crusher into required particle size, which are carried by bucket elevator up to the storage hopper. The vibration feeder then conveys the crushed materials at a fixed rate into the grinding chamber of the main unit for pulverizing.

The three rollers hung upon the spider-arm are running around the shaft. With the centrifugal force, the four rotational rollers will go around the ring tightly. The raw materials is put up between the rollers and rings by the blade to make the raw materials into powder. The grinded materials is blown up to the classifier, through which the powder is separated by the airflow.

The needed particles will go into the collector where products will be removed through the discharge opening. The purified air flows to the air blower through the pipe above big cyclone collector. Air flue is circular type. Air stream in all pipelines is negative pressure except for that in the air blower and grinding chamber, which improved the working condition in the workshop.

Wind volume in air flue increases as the moisture in material changes into vapour leaking in from the flange conjunctions and feed opening. Added air volume is transporting through the air blower and after-wind pipe, to simple collector. The end powder enters the collector with air stream and discharged from discharge valve.

R-series Grinding Millis widely used to grind any non-metallic minerals with Mohs hardness below 7 and moisture below 6%, such as limestone, calcite, activated carbon, talc, dolomite, titanium dioxide, quartz, bauxite, marble, feldspar, barite, fluorite, gypsum, ilmenite, phosphorite, clay, graphite, kaolin, diabase, gangue, wollastonite, quick lime, silicon carbidebentonite, manganese.

R-Series RollerMill consists of main mill,electromagnetic-vibrating feeder,constraint turbine classifier, pipes,high pressureblower,cyclone separator,hopper, electronic control system, collecting system,jaw crusher, pan elevator,base, central shaft support, ring, spider-arm, roller assembly, shaft, lifter support, lifter support baseetc.

The main mill consists pedestal, return air box, shovel, roller, ring, housing and motor.The ring and roller are made from wear-resistant material, whose surface is also given wear-resistant treatment. For the driving system, there are reducer and double-motor system for option. The classifying system uses the turbine classifier.

Various feeding and conveying system can be done separately according to different material. The close system with cyclone plus pulse-jet collector and the open system with only pulse-jet collector are available for collecting system. As to the control system, you can select auto control or remote control.

1. The grinding mill is in stereo-chemical structure, consume small floor space. The equipment has strong systematic because it can organize an independent and complete production system of raw material crushing, transporting, grinding to production collecting, storing and packing.

2. Driving system (double gearing, single gearing and reducer) and classify system (classifier and analyzer) can be configured according to the material or customer requirement, in order to ensure best operation condition.

4. Applied high quality thicken steel to produce important parts, applied high performance wear-resistant material to produce wear-resistant parts. The equipment has high wear-resisting property and reliable operation.

raymond roller mill - raymond grinding mill for getting coarse powder

In recent years, with the industrial production of more and more demand for powder, more and more grinding equipment appears in the market. The Raymond roller mill is used to grind various of materials for getting coarse powder. Its applicable materials include dolomite, limestone, barite, talc, diabase, quartz, gypsum, bentonite, etc. In general, these materials are non-flammable and non-explosive materials with Mohs hardness no more than 7 and humidity below 6%. Compared with traditional Raymond mill, the new Raymond grinding mill has less energy consumption. If you want to get the 25 198m powder, you can consider using this Raymond mill for sale. Welcome to choose our Daswell Machinery!

The application of the Raymond millsis wide. It can be widely used in mining, chemical industry, construction, metallurgy and other industries. But in recent years, with the rapid development of society, calcium carbonate is used more and more widely, such as rubber industry, plastic industry, paint industry, paper industry and so on. So grinding equipment that can produce high-quality calcium carbonate is becoming more and more popular.

The Raymond mill for saleis a kind of grinding mill machine. It can process heavy calcium carbonate into white powder, which plays a very important role in industry. Moreover, it can not only reduce the cost of various industries, but also improve the performance of the products used.

Raymond roller mill for saleis mainly composed of main engine, analysis machine, blower, finished cyclone separator, motor and other parts. Among them, the main machine is composed of frame, inlet volute, grinding roller, grinding ring and other parts. In addition, the Raymond grinding mill can be matched with jaw crusher, bucket elevator, feeder, electric control cabinet, etc., to form a complete grinding production line. Here is the flow chart of our machine.

Our DR series of Raymond fine grinding millis hot sale. Its models include DR-1280, DR-1300, DR-1500, DR-1700, DR-1900, etc. Different specifications of machine has different roller number and product capacity. Pick up a suitable model for your business. If you have no idea about choosing the models, welcome to consult us and we will provide you with professional suggestions.

When working, the material to be crushed will be added to the main engine from the feed hopper. The roller grinding device in the main machine revolves around the vertical axis and rotates itself. Due to the action of centrifugal force during rotation, the roller swings outwards and compresses the grinding ring, so that the shovel shovel the material to be sent between the roller and the grinding ring, and the purpose of crushing the material is achieved by the rolling of the roller.

Our Daswell Machinery is a professional mineral Raymond mill supplierin China. We provide our customers with high-quality equipment, such as, calcium carbonate plant, silica plant, hydrated lime plant and so on. As for our grinding mill machine, we have many different options for your selection, including Raymond mill, micro powder roller mill, ball mill, vertical mill, wet grinding mill and so on. Different types of grinding mill is suitable for different projects and can produce different fineness of product.

Before you purchase a Raymond grinding mill, you need to know your raw materials and its size, the fineness of product you need, the production capacity and other aspects. By doing this, you can get a right Raymond roller mill. If you need this machine, welcome to contact us. We will reply you soon.

raymond mill,raymond mill working principle

From 1906 to today, Raymond mill development than a century, was originally used as a coal grinding equipment Raymond mill , continuous development and innovation , has been widely used in various industries. we look over a hundred years Raymond mill history of the development , which has been constantly adapt to a variety of needs, but also because the process is simple, reasonable structure, easy maintenance , which is widely favored by the milling industry , Raymond mill in milling industry is essential.

The whole structure of Raymond mill is composed of a host machine, analysis, plumbing, air blower, finished cyclone separator, jaw crusher, bucket elevator, electromagnetic vibration feeder, electric motors and other components. The host is composed of a frame, Raymond mill inlet volute, blade, grinding, grinding ring, a cover casing and a motor.

The whole working process of Raymond Mill (the process of grinding material): the bulk materials by jaw crusher to desired size, by the elevator will be material to the hopper, the vibrating feeder evenly and quantitatively and continuously into the indoor host grinding grinding, grinding after the powder is fan airflow. Through the analysis of machine grading, fineness of powder will meet with the gas flow through the pipe into the large cyclone collector, were isolated and collected, then powder tube is finished powder. The airflow from large cyclone collector inhalation top return air duct blower. The air current of the whole system is a closed loop, and circulation in the flow of positive and negative pressure condition.

In the grinding chamber internal grinding material with certain water content, the grinding heat generated in grinding chamber gas evaporation changes the gas flow rate, and the pipeline connection is not tight outside the gas is inhaled, the circulating air volume increase, is this by adjusting the fan with the host legacy of pipe to flow balance, and the gas into the small cyclone collector excess, the fine powder gas into the collection down, then the cyclone collector upper exhaust pipe into the atmosphere, or into the dust collector with the exhaust gas purification.

The 65Mn: grinding ring in the use of this material, the durability is improved obviously. It is characterized by high hardness, good wear resistance, magnetic. Mainly used for product in powder processing of iron. The product after normalizing and tempering heat treatment, mechanical performance is improved greatly, make the product not only has good wear resistance, but also greatly improve the toughness.

The Mn13: compared with 65Mn, the grinding ring in the Mn13 material after casting, in life has changed. After the pouring of water toughening treatment. Water toughening treatment after casting with tensile strength, toughness, high plasticity and no magnetism. The grinding ring is more durable. Subject to severe shock and strong pressure deformation in the using process, surface hardening, and martensite formation, thus forming the wear surface layer high, while the inner layer to maintain excellent toughness, even wear very thin, can bear a larger impact load.

Raymond mill host another vulnerability is grinding roller, under normal circumstances, Raymond mill for grinding roller in use for some time, this according to customer's materials, frequency of use and other factors to determine whether the operation. To limestone as an example, if the same operating conditions, the quality of the grinding roller but hard, then there will be excessive wear, the service life is greatly reduced. As a result, mill roll material is also one of the most important factor in deciding the quality of equipment manufacturers of Raymond mill.

Impulse dust removal equipment is configured for loading, grinding, finished product transportation and storage, to ensure that the production site is clean and environmentally friendly, and there is no dust pollution.

After signing the order, formulate detailed plans for production, preparation and delivery, basic production, and engineer dispatch, installation and commissioning, to ensure that the entire link is carried out in an orderly and efficient manner, and the final delivery is guaranteed.

china grinding mill manufacturer, raymond mill, ball mill supplier - shanghai clirik machinery co., ltd

Grinding Mill, Raymond Mill, Ball Mill manufacturer / supplier in China, offering Calcium Carbonate Production Line for Sale, Hgm90 Micro Powder Grinder Mill for Sale, Large Capacity Professional Ball Mill Machine and so on.

Shanghai CLIRIK MACHINERY Co., Ltd, which is specializing in research, manufacture and sales of all kinds of mining equipment. Our company has already formed a full set of modern production line, equipped with intelligent, standardized testing and controlling laboratories, owned a professional team for R&D, production, sales and service. So far, we have established a whole production chain, the products covermicro powder grinding mill, high pressure grinding mill, European version coarsegrinding mill, ...

hc1700 grinding mill, raymond roller mill, pendulum roller mill

HC1700 Grinding Mill is a newly developed large-scale roller mill by Guilin Hongcheng. The equipment referenced the operating principle of pendulum mill and improved the swinging method. Without changing other parameter, the centrifugal grinding pressure increased about 35%. The grindingarea of roller and ring is improved, the output has 2.5 to 4 times higher than traditional R mills. Applied constraint turbine classifier, production fineness can be adjusted around 0.18-0.022mm (80-600 mesh). At the same time, gearing device and roller assembly sealing are also improved to increase operational reliability and to offer an easier maintenance. HC1700 has the advantages of high capacity, high efficiency, low investment and operation cost and low pollution, it is the best choice of large-scale powder processing.

Powder processing system technological process: raw material will be transport to semi-open shed by special vehicle, and then be shoveled into the crusher to be crushed into particles smaller than 40mm. The material particles will be raised to the storage hopper by the elevator and then be evenly sent to the main mill for grinding by feeder. The qualified fine powder will be classified and blew to the pulse dust collector as product and finally discharged from the dust collector. The product will be transported to powder storage. The system is designed as open circuit system with full pulse dust collecting (able to collect 99.9% of the powder), so the equipment has higher capacity and lower pollution. The product can be deep-processed according to actual technology. HC grinding mill has really high capacity so the product cannot be packed by hand-filling, the packing job is supposed to be done after the powder be sent to the storage tank.

The HC1700 grinding mill is widely used to grind almost any non-metallic minerals with Moh's scale of hardness below 7 and moisture below 10%, such as limestone, calcite, activated carbon, talc, dolomite, titanium dioxide, quartz, ceramic, bauxite, marble, feldspar, barite, fluorite, gypsum, ilmenite, phosphorite, clay, graphite, kaolin, diabase, gangue, wollastonite, quick lime, silicon carbide,bentonite, manganese etc. The fineness can be adjusted from 0.18mm(80 mesh) to 0.038mm(400 mesh), whose range is much wider than that of traditional raymond mill.

HC 1700 Grinding Mill consists of main mill, constraint turbine classifier, pipe system, high pressure blower, double cyclone collector system, pulse air collector, feeder, electronic control motor and jaw crusher, pan elevator. The main mill consists pedestal, return air box, shovel, roller, ring, housing and motor. The roller and ring are cast by wear-resistant material. Double gearing device and reducer device can be applied in the power unit of the whole system.

(1) HC1700 Grinding Mill following the powder processing development trends, HC1700 Grinding Mill, with revolutionary and innovative technology, is designed by our engineers, it is the most popular equipment in powder processing industry. Over the years, the marketing shows that HC1700 is a reliable, low cost and low pollution equipment.

(2) Turbine Classifying SystemPatent No.ZL201030143470.6: The classifying system uses the turbine classifier featuring in higher production capacity and more efficient classifying, which can make powder with a precise fineness ranging enlarge from 80-325mesh to 80-600mesh and ensure the highest passing rate.

(3) Equipped with pendulum roller structure. Compared with the traditional Raymond mill, more raw material can be ground per unit time, and the capacity is 40% higher than traditional Raymond mill with the same power consumption. 305 power can be saved for producing one ton powder.

(4) Applied offline pulse dust collector or pulse-jet collector (Patent No.CN200820113691.6), high capacity of dust removing, long service time of filter bags. 99.9% of the powder can be collected. The sealing for the mill ensures no powder floating in the workshop, so the equipment is more suitable for high dust concentration and high moisture site.

(1) Multi-layer blocking sealing structurePatent No.CN200820113450.1: The roll assembly works in high dust concentration environment. The lamination sealing of the traditional R type roller mill sealed bearings unreliable. While this proposal adopted with multi-layer blocking sealing structure which combined with the floating oil sealing technology, screw seals and skeleton seals to prevent dust going into the bearing. Keep the roll assembly working smoothly and durable. Vastly short the maintenance time. The traditional R type roller mill needs lubrication each 1-2 days. The newly designed sealing structure ensures the roller assembly works continuously for 500-800 hrs without lubrication.

(2) Applied frequency control and can be operated by PLC, realized unmanned operation and save up label cost. Customers can also choose long distance intelligent monitoring system to control the operation state.

(3) Applied high quality steel to produce important parts, applied high performance wear-resistance material to cast wear-resistant parts, so the whole equipment has high wear-resistant performance and long service life.

(4) Unique double belt drive device (Patent No.CN200820104043.4): Grinding mills are working in bad condition, large material or hard matter may cause damage to the reducer and lead to long time maintenance. But the double belt drive has simple structure and is able to offer reliable operation and easy maintenance.

(1) The equipment has strong systematic because it can organize an independent and complete production system of raw material crushing, transporting, grinding to production collecting, storing and packing. The grinding mill is in stereo-chemical structure, consume small floor space (1/3 floor space of 4R mill under same capacity), largely reduce construction cost.

Simply complete the form below, click submit, you will get the price list and a Hongcheng representative will contact you within one business day. Please also feel free to contact us by email or phone. ( * Denotes a required field).

Copyright 2004-2018 by Guilin Hongcheng Mining Equipment Manufacture Co. LTD All rights reserved Tel: |FAX: | E-mail: [email protected] | After-Sales-Service:+86-400-677-6963.

raymond mills manufacturer, raymond roller grinding mill for sale

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