we are specialized in manufacturing high precision seamless steel tubes for automotive and hydraulic applications, it is widely used for automotive field especially for high pressure oil injector and pipe line of the automobile as well as hydraulic system, it maitains high precison ( size tolerance +/-0.05mm for small sizes),stable mechanical properties for bending, flaring, drift spanding, therefore we are now supplying to Mercedes Benz, Scania for diesel engine oil injector tubes in south America and Nissan, Iveco in western Europe respectively. We are dedicating ourselves to be the one of the most specialized manufactuer in China for DIN 2391/EN10305-1 steel tubes