... Business typeOEMMaterialaluninum; stainless steel; brass,steelPricecompetitiveServiceexcellentCertificationISO 9001:2008DeliverytimelyPortshen zhen port in china Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, ... .Heat TreatmentTempering,Hardening,Spheroidizing,Stress Relieving.StandardISO,GB,DIN,JIS,ANSI,BSWManufacture ProcessHeading/washer assembly/Threading/Secondary machine/heat ...