Air swept coal mill is an ideal coal processing equipment that can both grind and dry, with characteristics of high efficiency, energy saving, environmental protection, 8% and above of its grinding coal can pass through the 200 mesh screen, and the water content can be under 2%, it is an ideal grinding equipment for coal powders that are used in industrial furnaces and rotary kilns and other equipment. Our products advantages as follows: 1.High grinding efficiency and low energy consumption; Less metal consumption per unit of products; 2. Continuous operation, and large production capacity; 3. Reliable performance, and low maintenance costs; 4. Fine grinding fineness, and uniform size. 5.Simple structure with large drying capacity; 6.Small vibration, low noise, good sealing, no dust spilling, clean environment, which meet the national environmental protection requirements. Air swept coal mill is consist of feeding device, main bearing, rotating parts, discharging device, high pressure starting device and lubrication system. And the feeding device is consist of feed pipe, blast pipe and etc.
As a new type of environmentally friendly materials, ceramic is widely used in petroleum, construction, chemicals, sewage treatment and other industries. Rotary kiln is the key equipment of ceramic calcining system. Its performance will directly affect the quality and cost. For the different characteristics and requirements of the traditional calcining ceramic materials, we developed the new series rotary kiln. It has the characteristics of even calcining, large capacity, high operation, energy saving, easy operation and maintenance as well as long machine life, and can reduce the equipment operating costs significantly. Ceramic rotary Kiln features : 1. For the characteristics and requirements of ceramic calcining process, we make optimize design on kiln head and kiln tail. It solved the problems of the discharge reverting and dust leakage at kiln tail to have smoothly conveying. 2. It is micro-negative pressure operation in the cylinder with low dust pollution; 3.It is even calcination, large capacity and easy to operation and maintenance. Ceramic rotary Kiln consists of gearing, supporting rollers, catching wheels, cylinder, kiln head, kiln tail sealing and other components,The main structural features are: 1.There are 2 to 3 fulcrums on kiln. It is easy to ensure the contact surface of rollers and kiln tires parallel to the cylinder axis during installing; 2.There are specific gap between the tire and cylinder. It strengthens the cylinder by confining tires after thermal expansion; 3.The supports use rolling bearing which simplified bearing structure. It reduces energy losses during Kiln operation and makes it easier to maintain and repair; 4.In order to convenient installation and commissioning, there is a kiln slow rotating devices to maintain kiln nonconventional running operation while main transmission system is under overhaul or other abnormal conditions which can occur cylinder bending and deformation during the cooling process. 5.The kiln uses mechanical or hydraulic catching wheels. They are high accuracy and reliability. The ridding rollers and tires are evenly wearing on the entire width direction and are handy adjustment.; 6.The kiln head and tail uses elastic flake radial contact sealing. It can fit the cylinder shape inaccurate and kiln deflection & axial movement. It has better sealing performance and reliability, longer service life and convenient replacement. contact: Annchen Email ID:ec03@zkcorp.com http://www.zkcomp.com/Calcining/84.html
Sand Rotary dryer is widely used for drying materials in industries like cement, mine, building materials, chemistry, food and fertilizer, etc. This rotary drying machine comes with thermocouples on the feeding and discharging device to control the temperature. Thermometers are also adopted so as to better control the working temperature (generally 350-380°) of the rotary drier. Sand Rotary dryer special features as follows: 1.Sand dryer is made of wear-resistant manganese plate, 3-4 times wear-resistant than ordinary steel plate. Raw material is with moisture within 15%, and moisture of dried material is lower 0.5-1%. Compared to traditional single cylinder drying machine, its thermal efficiency can be improved about 40% or more. 2.The outside cylinder temperature is lower than 60 degrees, and the waste gas temperature is lower than 120 degrees, and the service life of dust collector bag is more than twice of that of other collector. Coal consumption is one-third of the single cylinder dryer, save electricity 40%, with per ton consumption of standard coal lower than 9 kg. The sand dryer mainly consists of rotor, shed plate, transmission device, support device, seal ring, and other spare parts. The rotary dryer has the advantages of reasonable structure, excellent manufacture, high output, low energy consumption, convenient operation and so on.
Coal dryer can dry many kinds of materials which contain moisture, such as coal, coal slurry, slag, industrial waste, and clay stone. They are widely used in building materials, metallurgy, and chemical industry.The dryer can use coal, gas, electricity, oil and wind power to heat the dryer machine. Our products advantages of coal dryer: 1. High drying efficiency, big capacity, high running rate 2. Compact structure, operation stable, easy maintenance Coal rotary dryer is mainly compose of driving device, supporting roller, thrust roller, cylinder, kiln inlet, kiln outlet and sealing device. 1. 2-3 supporting points can guarantee the contacting surface between supporting roller and tyre is paralleled with axis line of cylinder during installation. 2. Supporting device is antifriction bearing (occasionally uses slide bearing). This design has simplified the supporting device of supporting roller, and reduced the useless power loss during operation. It has the features like easy operation and maintenance. 3. Suitable shim between tire and shell will ensure the tire ring on the shell tightly to increase the shell strength. 4. The main driving system uses new type ac variable frequency technology. Compared with electromagnetic speed control and dc speed control, that can save energy, have large range & high precision of speed regulation, high efficiency and running smoothly. Radial direction contacting type sealing device is adopted at kiln inlet and outlet. They are perfect suitable for dimension tolerance of cylinder and skewing movement of cylinder. This sealing device’s feature is good performance, longer working life and easy for replacement.
Cement rotary dryer is suitable to dry metallic and nonmetallic minerals, clay in cement industry and coal in coal mine, etc. Characteristics of cement rotary dryer include high drying capacity, smooth rotation, low energy consumption and easy operation. Our products advantages : 1. Shell adopts assembly structure and its precision has been improved a lot, which will be more convenient for transport. 2. According to different fuel properties, suitable raising plate will be adopted, which can make material get more heat exchange. 3. Sealing is simple but efficient, which can improve capacity and improve whole machine performance. 4. Its matching combustion furnace is energy-saving type, which take small area and is easy to adjust. Cement rotary dryer is mainly compose of driving device, supporting roller, thrust roller, cylinder, kiln inlet, kiln outlet and sealing device. 1. 2-3 supporting points can guarantee the contacting surface between supporting roller and tyre is paralleled with axis line of cylinder during installation. 2. Supporting device is antifriction bearing (occasionally uses slide bearing). This design has simplified the supporting device of supporting roller, and reduced the useless power loss during operation. It has the features like easy operation and maintenance. 3. Suitable shim between tire and shell will ensure the tire ring on the shell tightly to increase the shell strength. 4. The main driving system uses new type AC variable frequency technology. Compared with electromagnetic speed control and DC speed control, that can save energy, have large range & high precision of speed regulation, high efficiency and running smoothly. 5. Radial direction contacting type sealing device is adopted at kiln inlet and outlet. They are perfect suitable for dimension tolerance of cylinder and skewing movement of cylinder. This sealing device’s feature is good performance, longer working life and easy for replacement.
Pulverized coal burner is the key equipment of calcination system in metallurgical, chemical, cement, quicklime rotary kiln, its performance and operation relate to product quality, capacity, energy consumption, environment and so on. Our company design pulverized coal burner is according to different kiln type, different feature of pulverized coal and different technical conditions, with typical structure and reasonable technical parameters, ensuring the pulverized coal, primary air, secondary air mix fully, make high burning efficiency, larger heat intensity, better fire shape and easy control, its widely used in various dry and wet cement rotary kiln, steel sintering pellet rotary kiln, lime rotary kiln, chemical rotary kiln, alumina clinker rotary kiln, power plant boiler and so on. Application: Burning system of rotary kiln in power, chemical, metallurgy, construction industry and so on. Our products advantages : 1.Reasonable structure design, fire adjustment easily, not only adjustment air volume of axial air, swirling air, but also adjustment outlet section area of axial air , swirling air and coal air, to reach the goal of change outlet air speed of burner, to ensure fuel burning normally; 2.Less use of primary air, and coal air mix with primary air, secondary air fully, make burning complete, to reduce coal consumption effective; 3. Nozzle is made of special material, heat resistance and replacing easily; 4.Fire cover forming bowleffect, there is not high swirl with fire at beginning, to avoid the peak value of temperature, make the fire temperature distribute uniform and reasonable; 5.Because the combustion air mix pulverized coal fully, the burning is fast and safety, co and nox content from kiln tail exit gas are reduced, in favor of equipment operation safety and realize environmentally friendly production;
Multifuel burner is a new combustion device burning gas and coal powder in rotary kiln. It has a unique structure and reasonable parameters to ensure gas, coal powder and air, primary air and secondary air mixed sufficiently. It brings greater thermal intensity, higher combustion efficiency and easier adjustment. It can be widely applied to various rotary kilns in metallurgical and chemical industry. The burner can mix gas and coal powder for co-burning, and also can realize gas or coal powder separate burning. Application: The rotary kiln’s combustion system in electricity, chemical, metallurgy, building materials industries. Our products advantages : 1. Flame stable, no fluctuation, no flame sweeping kiln lining and prolong kiln lining life; 2. Reasonable structure design, well mixed gas and coal powder, primary air and secondary air, complete combustion, can improve the kiln thermal strength while reducing the proportion of primary air to improve the productivity of the kiln and reduce heat consumption; 3.The flame round up cover forms bowl effect and initial flame without strong eddy. It avoids temperature peaks and distributes the flame temperature rationally. This can effectively protect the kiln body and guard plate. 4.Due to fully mixing between air and coal powder, the combustion is more efficiency. It can reduce the content of CO and NOX in exhaust gas and be beneficial to safety and environmental friendly operation. 5.The nozzle is made of special materials which can resistance high temperature and easy to replace; Multifuel burner is mainly composed of piping, nozzle, Metal Ripple Hose compensator, butterfly valves, pressure measurement instruments and protective layer. Its main structural features are: 1. Pipeline There are five layers from outside to inside. They are axial flow duct, cyclone duct, gas channel, coal air channel and the central channel. 2. Nozzle Processed by special material, its outlet are can be modified to adjust the ejection speed. It is one of the key components which can maintain the flame shape and service life time. 3. Metal Ripple Hose Compensator The Metal Ripple Hose Compensator is the main components of pipe connecting, sealing and flame shape adjusting. 4. Butterfly Valves There are butterfly valves at the inlets of axial flow air, cyclone air and central air. Each air volume and proportion can be adjusted by change the channel outlet area to modify the ejection speed. 5. Pressure Measurement Instruments They are used for indirect display air speed of each channel in burners. 6.Protective Layer It is the refractory casting layer which is cast by user;
Vertical Cement Grinding Mill manufactured by China ZK Corp, for example double-swing type, underground type and step-started type jaw crusher, cone crusher, rotary crusher, single - section hammer crusher, tube coil grinding mill, grid type ball mill, bucket elevators, plate type, dissepiment and vibration feeder, screw sand mixer and heavy duty soil spreader for open-pit coal mining, are widely used for the industries of metallurgy, building construction, road construction, and chemical industry as well as silicate industry. China zhengkuang has provided various kinds of large and medium size complete sets of cement production equipments for more than 300 cement customers in domestic market. And engineering for equipment and technology, manufacturing, installation and commissioning as well as the supply of the spare parts and the training service can be offered by China ZK for customers. The gantry crane, the overhead traveling crane, tower crane, hoists, and other various kinds of crane equipment which have been designed and manufactured by China zhengkuang are widely used in the fields of handling of sluice gate for the hydro-power station, loading and unloading vehicle, outdoor handling and handling of the heavy duty components. China ZK has supplied large amount of super-high quality products for national water conservancy projects, the main Our products advantages: 1. High grinding efficiency and low power consumption. 2. Low metal consumption in unit product. 3.Bed grinding with low noise. 4. Negative pressure and low dust pollution. 5.Small floor space, compact layout, system equipment with light weight and low investment for civil construction. Structure of Vertical Cement Grinding Mill: 1. Separating efficiency increased by combined separator. 2. No need to prepare material on the disc before start up, the function including auto lift and fall roller, and on-load staring can be achieved. 3. The sealing adopt welding arc panel, structure is simple and reliable with good sealing effect. 4. The grinding roller can be turn out from the mill easily by the roller turning device, and convenient for maintenance.
Applications It has been used in to enrichment the particle size 0.3-0.02 millimeters fine grain like iron, tin, chromite, ilmenite, tungsten, zinc, tantalum-niobium, gold, coal, monazite, rutile, zircon and other low-grade ores. The non-metallic minerals which have a big enough specific gravity difference. Features 1. Reasonable structure and small occupation area 2. High recovery, high efficiency, and precise separation 3. Non-required power 4. Light in weight, anti corrosion, rust and wear resistant 5. Simple installation and minimal maintenance requirements 6. Low operating cost and long working life 7. Reliable running with minimal operator attention 8. Strong adaptability to fluctuation of feeding amount, density, size and grade 9. The surface of corundum forms strong friction the concentration effect surpass plastic surface
Introduction Jig separator —introduction An equipment realizes the separation of light and heavy mineral by the different sedimentation speed in vertical alternating water flow Product improvement Jig separator — product improvement The cone slide valve is adopted; the failure rate is reduced by 80%; low energy consumption;the separation of different material, improvement of the processing capacity by more than 35%. Advantages Jig separator — advantages Professional mining separator machine high efficiency jig separator : Stroke and jig frequency are easy to adjust; the advanced frequency conversion speed control technology is convenient to operate and manage Small cover area, high processing capacity per unit area
Employing frequency conversion technology, continuously viable of vane wheel,digital display and accurate adjustment,the hanging flotator of XFG series is applicable ore in labs of research institutes and mining bodies involving geology,metallurgy,building materials and chemical industry. ModelZQM? 250X100ZQM? 250X100ZQM? 360X160Unit Drum size? 160X160? 250X100? 360X160mm Drum capacity Grinding volum30010004000g Feeding granularity -3-5-5mm Outcome granularity-0.074-0.074-0.074mm Drum speed1129662R/min MotorMotor power0.751.11.1kw 14001390910R/min Speed Boundary dimension920X550X10501055X650X1050700X580X1080mm Equipment weight155350350kg
Mud agitator is also called mud liquid agitator, slurry agitator, tank agitator. It is installated in slurry storage tanks or mud tank and to prevent drilling fluid solid particles deposited in the mud tank. Brightway solids is the professional mud agitator manufacturers and suppliers in china.Brightway can provide bwjqb series mud agitator. Bwjqb series mud agitator adopt the turbo and worm gear-down, with the advantage of large torque transmission, smooth opearation, performance reliable etc. It has two kinds of installation method: horizontal and vertical. Brightway solids bwjbq series mud agitator features 1.Small footprint without skid. 2.Helical-bevel gearbox. 3.Motor can be horizontal or vertical. 4.Longer usable life on motor and gear box. 5.Require less space also easy to handle. 6.High efficiency, low noise, low operating temperature. 7.Adaptable for different application. 8.Painting: heavy anti-corrosion paint adopt national famous dewei brand 9.Spraying processing: grinding and sandblasting;with base coating, middle coating and finish coating. Bwjbq5.5 mud agitator 5.5kw Bwjbq7.5 mud agitator 7.5kw Bwjbq11 mud agitator 11kw Bwjbq15 mud agitator 15kw Bwjbq18.5 mud agitator 18.5kw Bwjbq22 mud agitator 22kw
1. reasonable structure and small occupation area high recovery high efficiency precious separation light in weight rush and corrosion resistant. 2.Spiral chute is to make seperations of useful minerals from gangues by use of the different particles to gravity hydraulic pressure and friction in the multi-force field through dynamic centrifugal flowing membrane of slurry produced on the inclined surface of spiral based on the differences of useful mineral and gangue in specific gravity, particle size and shape. Model5ll-15005ll-12005ll-9005ll-6005ll-400 Outside dia(mm)15001200900600400 Pitch(mm)540, 720900, 720, 540675, 540, 405450, 360, 270240, 180 Pitch dia ratio0.75, 0.6, 0.450.75, 0.6, 0.450.75, 0.6, 0.450.75, 0.6, 0.450.6, 0.45 Lateral slope9?9?9?9?9? Maximum starts per column4-24-24-232 Feeding size(mm)0.3-0.020.3-0.030.3-0.030.2-0.020.2-0.02 Feeding density(%)25-5525-5525-5525-5525-55 Capacity(t/h)8-64-62-30.8-1.20.15-0.2 External SizeLength(mm)156013601060700460 Width(mm)156013601060700460 Height(mm)52305230400026001500 Weight (kg)80060040015050
1.It can be widely used in the beneficiation of non ferrous metals, black metals and nonmetals.It is suitable for the roughing and scavenging of the large and middle dressing plants. 2.Mechanical agitating, self air- inflation and self slurry absorbing.Constitute a flotation unit with flotation cell to be the absorbing tank of each process. 1. Inspiratory capacity is relatively stable; 2. Solid particles suspend better, impeller installation is shallow depth, stator has long life, liquid surface is balance and high sorting efficiency. 3. Generally, bf series separator is always applied with sf series flotation separator to form a joint unit; Sf flotation separator is used for inhalation slot of pulp self-absorption while jjf series separator is used for dc slot. Thus, operations space is level configuration without foam pump to get high sorting indicators. Bf series and sf series also play their respective advantages.
1. The gold centrifugal concentrator is a relatively new type of gravity concentration equipment.The machines utilizes the principles of centrifugal to enhance the gravitational force experienced by feed particles to effect seperation based on particle density. 2.The key components of the unit are a cone shaped concentrate bowl, rotated at high speed by an electric motor and a pressurize water jacket encompassing the bowl. 3.Centrifugal concentrator can be used not only for placer gold mining, but also for hard rock mining to recover the natural gold, replacing amalgamation and recover gold from the old tailings. 4.Application shows that the recovery can be as high as 99precentage and the concentrating ratio is up to 1000times.In recovering the natural gold in lode ore with 65percentage of the ore having a milling size -0.074mm, the recovery for the natural gold is up to 98percentage.For the natural gold of 0.004mm in particla size, the gold recovery is 97percentage.The equipment is patented in china.
Types of pev jaw crusher are available: assembled frame and welded frame. Pev series jaw crusher is usually used as primary or secondary crusher in quarry production lines. Pev jaw crusher, equipped with the most advanced crushing technology, is the top choice of crushing multi-hard, corrosive materials. Compared with the traditional secondary jaw crushers, which cannot provide bulk production and wear resistance at crushing stones for constructions of highways, railways and airport runways, which mostly are hard rocks like basalt at the size of 3-7cm, pev jaw crusher has unparalleled superiority on service life, maintenance rate, failure rate and lower cost of supporting facilities like cone crusher shaping machine.
cutter suction dredgers,characterized by strong geographical adaptability,a simple structuer,reliable perfermance,low cost high workload(500-5000 cubic meter per hour)1. The dredger will be fully tested in factory, welcome client coming my factory for inspection. 2. We will send two or three (2-3) qualified and experienced engineers to the buyer’s work place to guide installation dredger and train the workers for the buyer, and buyer should arrange 6-8 workers to assistant Chinese engineers. 3. Installation period is expected to take 15 to 20 days. The buyer should provide cranes and other necessary equipments to install the dredger and follow the Chinese engineers’ proper arrangement. 4. The buyer should provide installation site drawings and topographical maps or the photos of the dredging site . 5. The buyer will be responsible for the Chinese engineers’ tickets, accommodations , food, security as well as wage of USD$80.00 per day per person during assembling dredger in buyer’s country.
Ser Description Required Specification Remarks A Manufacturer Qingzhou JuLong Dredging & Mining Machinery Co., Ltd ISO Certified Enterprise B Brand JuLong Registered Brand C Make and Model JLCSD-200 D Dredger Unit 1. Dredger Type Cutter suction dredger 2. Principle Dimensions (1) Length overall 24.0 m (2) Breadth 5.2 m (3) Depth 1.6 m (4) Draft Loaded 1.1 m (5) Dredging Depth 10 m (6) Diameter of Suction Pipe 250 mm (7) Diameter of Discharge Pipe 250 mm (8) Discharge Distance 500 m (9) Water Flow 800 m3/hr (10) Capacity 100 m3/hr (11) Total Installed Power 336kw Cummins Engine 3. Main Pontoon (1) Length 10.5 m (2) Width 2.2 m (3) Depth 1.6 m (4) Plate Thickness- Sides 6 mm CCSB Steel Plate (5) Plate Thickness- Bottom 10 mm CCSB Steel Plate 4. Side Pontoons (1) Length 14 m (2) Width 1.5 m (3) Depth 1.6 m (4) Plate Thickness- Sides 6 mm CCSB Steel Plate (5) Plate Thickness- Deck 5 mm CCSB Steel Plate (6) Plate Thickness- Bottom 6 mm CCSB Steel Plate 5. Dredging Pump (1) Made SHIJIAZHUANG PUMP GROUP Australia Warman Technology (2) Model 10/8 F-G Gravel Dredging Pump (3) Head 40-65m (4) Particle Clearance 144mm (5) Water Flow 800 m3/hr 6. Main Engine (1) Manufacturer Cummins (2) Model NTA855 (3) Rated Power with RPM 336KW @ 1800 RPM (4) Amount 1 set 7. Gear Box (1) Manufacturers Hangzhou Gearbox (2) Model JLF160 (3) Amount 1 set 8. Cutter Alloy material (1) Type Crown (2) wearing parts on cutting edges Replaceable Alloy Teeth (3) Driver Hydraulic Motor (4) Diameter 1000mm (5) Cutter Shaft Power 40kw (6) Cutting Speed in rpm 0-30 9. Ladder Winch (1) Line Pull 40 KN (2) Line Speed 0-20m/min (3) Wire Size F16mm (4) Driver Hydraulic Motor 10. Swing Winch (1) Line Pull 40 KN (2) Line Speed 0-20m/min (3) Wire Size F16mm (4) Driver Hydraulic Motor 11. Spuds
1. Qingzhou Julong Dredging & Mining Machinery Co.,Ltd. is a dredger manufacturer and exporter, but not just trading company. In such case, we can guarantee the products quality, delivery time and after-sales service. Also better price will always be available. 2. Customized designs will be made based on customers' project requirements. Our engineers are all experienced in ship designs for many years. The cooperation with China leading ship design institutes and professional colleges help us to ensure the design quality. 3. All the Julong dredgers are built by skilled workers and inspected strictly to assure the high quality and durability. Each finished dredger will be fully tested before delivery to make sure it work smoothly when delivered to customers. 4. Best parts will be used for the dredgers, like world famous Cummins engines, Shijiazhuang pumps, Hangzhou gearboxes, Simens PLC control system. 5. Hydraulic system is one of the most important parts of cutter suction dredgers. The cutter head, ladder winch, swing winches, spud or spud carriage are driven by hydraulic motors for higher efficiency and durability. Reputed brands are used for the other hydraulic parts like hydraulic pipes, hydraulic pumps, hydraulic valves. 6. The dredgers are dismountable. So they can be disassembled and assembled easily. Thus it is convenient for the transportation by road, rail or water. 7. Professional engineers will be sent to the project site to insist the customers on the installation, commissioning, testing of the dredgers and training of operators. 8. The main parts of Julong cutter suction dredgers are all imported ones or assembly of imported parts so that the buyer can purchase the spare parts easily, like the Cummins engine, the Shijiazhuang pump,Siemens PLC control system, Schneider or Omron electric system.
Diamond PDC drill bit Lake Petro Company specializes in designing, manufacturing, marketing and serving the high performance diamond bits. The company is established by the top experts of the fields, and equipped with advanced equipments and facilities.Our diamond bits named LAKE, which size ranging from 3'' to 17 1/2''.All the products have been awarded the ISO9001 certificate. Furthermore, the experienced and knowledgeable service team will ensure the superior performance of our products in both the domestic and international markets. With our service pursuit “Drilling requirement initially, Customer satisfaction finally”, we assure the products the best quality by adopting advanced design technology, manufacturing process and strict quality control. Our company will always improve and innovate to satisfy different needs for all users in the entire world. 1. PDC Matrix Body bit Type and feature:PDC bit can be customized for oil well,water well, mining, explorer well drilling. Suitable formation:Various of hardness rocks or mud except the hardest hardness or ununiform rocks like cobble. Main type: Bit Diameters: 5 7/8",6",6 1/2",8 1/2",9 1/2",9 5/8",9 7/8",12 1/4",etc.Body type: Matrix or Steel Cutter Sizes:5/16"(8mm),1/2"(13mm),5/8"(16mm),3/4"(19mm),etc. Blades:2~9 Wings. 2. PDC Matrix Body Core Bit Type and feature:PDC core bit can be customized for oil well,water well, mining, explorer well drilling. Suitable formation:Various of hardness rocks or mud except the hardest hardness or ununiform rocks like cobble. Main type:75/54mm,94/74mm,113/89mm,113/109mm,153/129mm,215/105mm,etc. 3. PDC Steel Body Bit Type and feature:PDC bit can be customized for oil well,water well, mining, explorer well drilling. Suitable formation:Various of hardness rocks or mud except the hardest hardness or ununiform rocks like cobble. Main type:Bit Diameters: 5 7/8",6",6 1/2",8 1/2",9 1/2",9 5/8",9 7/8",12 1/4", etc. Body Type: Matrix or Steel Cutter Sizes:5/16"(8mm),1/2"(13mm),5/8"(16mm),3/4"(19mm),etc. Blades:2~9 Wings 4.PDC Drill Bit Body & Cutters Welding PDC body(matrix):Customized. Wings: 2~9.Main Diamters:65mm,75mm,94mm, 113mm, 133mm,152mm,215.9mm,311.1mm etc. PDC body(steel):Customized. Wings: 2~9. Main Diamters:65mm,75mm,94mm,113mm, 133mm,152mm,215.9mm,311.1mm etc. Core bit body(matrix or steel):Main Type:75/54,94/74,113/89,113/109,153/129mm,110/215.9mm, etc.
