Established in 1999, one of the top brand in the domain of self-lubricating bearing factory. Jiashan ZHENGTONG Composite Self-lubricating Bearing Factory (ZTOM Bearing) specializes in manufacturing and selling a wide range of self-lubricating bearings, certificated of ISO9001:2008 and ISO/TS16949:2009 Quality Management System. Our products are sold not only all over China, But also in the USA, Germany, Japan, Italy, Korea, India and Southeast Asia etc. We are looking forward to doing business with you. Welcome to visit our factory.