Changsha Zhengsheng Special Piston Ring Co.Ltd is the first piston rings manufacturing company in China with a history of more than 60 years.The only special branch producing piston rings for high power diesel engines and engineering machinery
Being one of the earliest factories to carry out the Total Quality Control,Zhengsheng has set down product quality regulations according to QS-9000 and ISO-9001.
Zhengsheng is to be the supplier for engine builders abroad, and can design and process products according to customers' requirements.
Zhengsheng has now established cooperation relationship with a wide and diverse customer base with more than 200 customers.
Zhengsheng is willing to communicate and cooperate with piston ring manufacturing companies all over the world. Our aim is to try our best to satisfy our customers.
Ports of Presence:
China - Shanghai
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