Established in 1985, Shijiazhuang Yipeng Automobile Fittings Factory is specialized in manufacturing various diesel inlets and exhaust valves and piston rings for imported and home-made autos. Our people-oriented enterprise attaches importance to science and technology, taking the lead in attaining ISO9001: 2000 International Quality Management System Certification. We possess advanced production technology and facilities, such as thermometal friction welding, plasma arc alloy powder ...