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With the tenet of “be sincere, be scientific”, Nanjing Chengke company focuses on the works of R&D , design, sale and after-sale for co-rotating & counter-rotating twin-screw extruders, tandem compounding lines and single-screw extruders.
Chengke was founded by senior engineers in twin-screw processing，we have advanced management systems and high-effective operation teams. Our business concept is to analyze the problems, to offer the best solutions and to provide custom mouldings. High-beginning, high-quality, and optimal designs are our company’s characteristics, which can meet the first-class product quality standard as other companies worldwide.
we focus on the works of twin screw:
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R&D
| Chengke was founded by senior engineers in twin-screw processing，we have advanced management systems and high-effective operation teams. | |
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Name: Ningjian Zhao Position: General manager Specialize in the processing of cable materials, engineering plastic, etc. Once in the position of the vice president and chief operation officer of Coperion (Keya) company Management Concept conflict Establish the Chinese own brand of twin screw extruder |
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Technology advantage Our business concept is to analyze the problems , to offer the best solutions and to provide custom mouldings . We own the most outstanding technology of high torque and high speed gearbox in China |
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Development of Chengke company In the year of 2008: In March, Chengke company built up In July , we passed the ISO9001:2000 certification In October, the 3rd generation high torque and high speed gearbox launched Sales volume of year 2008: 4 millions US Dollars |
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In the year of 2009: In April, Join in the Chinaplas show; In October, Chengke company got the license to export; In November, we got the order from Thailand; In December, we passed the CE certification, successfully designed the 4th generation high torque and high speed gearbox; Sales volume of year 2009: 6.5 millions US Dollars |
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| the 4th generation high torque & high speed gearbox | |
| In the end of 2009 year, the 4th generation high torque & high speed gearbox has been successfully launched to the market, which is improved based on 3rd generation gearbox. The characteristics, as below: | |
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1. Re-designed structure of gearbox adopt Noise Reduction Design, to reduce the noises which is below 80+2dB(A) in 1 meter away. 2. All the gears processed by the German Gear Grinder to enhance its precision. 3. Optimize the gear teeth to enlarge the meshing surface area and increase lifetime. 4. Adopt the Swedish SKF bearings and lifetime is over 20,000 hours. 5. The dual function of pressure and spray is designed for the lubrication system to ensure getting better lubricating effect. 6. The individual & out-way designs of oil cooling system guarantee the gearbox operation under appropriate temperature.
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