material : steel finish: sand blasting produce according to drawings, samples and requirements TS 16949 certification item : ring forgingmaterial : steelfinish: ... , non-standard forging, precision forging , machining ectIndustryauto forging part, motor forging part, tools forging, machinery forging, non-standard forging, precision forging, etc.Materialcarbon steel , stainless steel , aluminum ,brass ...