... and requirements TS 16949 certification item : ring forgingmaterial : steelfinish: sand blastingproduce according to ... non-standard forging, precision forging , machining ectIndustryauto forging part, motor forging part, tools forging, machinery forging, non-standard forging, precision forging, etc. ... , punch machine from 25T to 250T , CNC lathe, CNC boring machine , CNC miling machine ect . ...