Stainless steel hinge, cabinet hinge, concealed hinge,hydraulic hinge,buffering hinge Stamping Part Metal stamping parts,punched parts,precision stamping parts. 1.Material:stainless steel, carbon steel, spring steel,iron, , brass ,aluminum,2. Applied software for specification drawings:Pro/E, Auto CAD, Solid Work 2001, CAXA, UG, CAD/CAM/CAE.3. Precision machine:normal punch press 5-300 tons, ...