Since 1966, after more than 45 years' development, reformation and joint venture, now our company is a professional and leading global manufacturer on piston ring, piston, cylinder liner and engine bearing etc engine parts. And we are not only a member of National Internal Combustion Standardization Committee, but also our products have been matching with some domestic famous diesel engine manufacturers. And in 2007, we set up our Guang Zhou Branch for export specially. To guarantee products' high quality, we have introduced advanced international technology and productive equipment from Germany ect, and built up professional engineers team to design and develop products. With quality control system of ISO9002, QS9000,TS16949, our products have very good reliability and stability, which make us win excellent reputation at home and abroad.