Nanjing Ruiying Piston Ring Manufacturing Co., Ltd (former: Nanjing Jinling Auto Parts Manufacturing Factory) is a professional piston ring manufacturer with over 50-year history ,and covers an area 36000 square meters including construction area of 20000 square meters with the total assets value of more than 50 million yuan and annual production of about 60 million pieces.
During the seventh Five-Year Plan period (1985-1989) and the eighth Five -Year Plan period (1991-1995),we have made large-scale technological improvement ,and introduced advanced manufacturing technology,processing equipments and testing instruments from Germany , Britain ,the United States ,Japan and other countries so as to make our company step into the top rank in the aspcts of manufacturing and new product development in China.

We establish the plant`s Quality Assurance System according to GB/T19001-2000--ISO9001:2000 standards , pass the on-site audit of relevant state Quality Certification ...[More]on, and obtain the Internation Quality Management System Certificate of GB/T19001-2000--ISO9001:2000 and TS1649.

Jinling staff who rely on our own hard working ang sincerity to customers, forged the famous Jinling brand of piston rings.By virtue of a superior product quality ,reasonable price and excellent after-sales service ,the piston rings of "Jinling" series have won the trust ,support and love of many new and oid customers all over the world.

With modern production facilities and professional technical term,Ruiying will constantly explore and innovate new products.Thanks for all new and old customers at home and abroad,Ruiying is willing to cooperate with you and join hands for common development.