... automobile, article etc.3. Material: carbon steel, stainless steel, alloy steel, high manganese steel, heat resistant steel, copper alloy, aluminum, etc. 4: Tolerance ... galvanizing, Chrome plating , Nickel Plating, Tumbling, Passivation etc.8. Standard: AISI, ASTM, JIS, BS, DIN, ISO ... software: Solidworks, AutoCAD.2), Quality:We have full set quality control system to guarantee best product quality ...