... , carbon steel, spring steel,iron, , brass ,aluminum,2. Applied software for specification drawings:Pro/E, Auto CAD, Solid Work 2001, CAXA ... , dichromate plating,copper wiredrawing.We are particularly well-known for many different kinds of production of stamping,welding parts,turning ... you are interested in our factory,please feel free to contact us for more information at anytime.We will be willing ...