Changsha Chenggong Auto Parts Co., Ltd. is a leading piston ring manufacture here in China. we are currently producing piston ring and dealing in piston, cylinder liner/sleeves,liner kits as well as other engine parts.

We are introducing advance equipments and technology know how from Goetze, Germany and RIK, Japan. With the aid of advanced equipment and highlysophisticated technics, we have built up a commanding lead in the techniques for piston ring and piston production.

Under the quality control system of ISO9002, QS9000, TS16949, we manufacture strictly by the products quality manual stipulated by Goetze standards. The 5S projects management systems have been extensively applied within our business. We have strong faith in High Quality, Strict Standards and Zero Defect.