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| Changsha Zhengsheng Special Piston Ring Co.Ltd |
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Changsha Zhengsheng Special Piston Ring Co.Ltd-ZSPR, One of the Top Manufacturers of marine diesel Piston Ring, compressors Piston Ring ,engineering machinery piston ring and all type of piston ring casting in China with a history of more than 60 years.It is also the earliest one in China to introduce into advanced technologies from German Goetz Company and British AE Company,the performances, material and quality of products manufactured in ZSPR are totally conformed to the standards of German Goetz Company. Being one of the earliest factories to carry out the Total Quality Control, ZSPR has set down product quality regulations according to QS-9000 and ISO-9001.
ZSPR is the designated component supplier for China Railway Ministry and China National Marine Cooperation. And It is the ma... |
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