Shangzhong piston ring Co., Ltd was founded in 1994. Factory moved from Zhejiang province to Anhui province in 2007, and Anhui factory covers an area of 35000 square meters; to be specific, the construction area has 25000 square meters. Currently, there are over 200 employees in our company, in which technicians occupy more than 20%.



We are specialized in producing brand of 'Shangzhong' piston ring which can be used in the majority of gasoline and diesel engines in the world; in another word, we can produce more than 6000 categories of piston rings. And our products...