Detailed Discriptions Material : Metal,steel,iron,stainless steel,aluminium,copper,alloy,etc. Drawing operation: PDF, Auto CAD,E-Drawing, Pro/Engineer, SolidWorks, UG. etc. Heat treatment : quench , tempering ,Ooze carbon . Stamping process : laser cutting, (punching),bending, (tensile),welding,assemble. Surface treatment: polishing, powder coating, phosphate coating, E-coating, spray paint, baking finish . Polishing processing : Mechanical polishing ,chemical polishing , electrolytic polishing , ultrasonic polishing , fluid polishing , magnetic abrasive. Specifications : DIN , GB , JIS , ASTM , ANSI , ISO , AS . Tolerance : 0.02mm Testing equipment: Vernier caliper , Micrometer, projector, coordinate measurement machine , roundness measuring instrument , height gauge, hardness tester, element analysis machine, plating scale thickness tester, pass check gauge , Angle ruler, plug gauge, radius gauge, roughness tester, salt spray testing machine . OEM service : According to customer’s drawings or samples QC system : 100% inspection before shipment Packaging : 1)Plywood case. 2)Scratch proof, anti-collision film. 3)As per customized specifications.