we supply various kinds of tianium standard part:bolts ,nut,screw ,washers and rings. titanium standard part:Material:Titanium and titanium alloy,Nickel and nickel alloyStandard:GB,JIS,ANSI,ISO,DIN,NUIGrade:Gr1.Gr2,Gr5Specification:as customer's requirement.Test:provide Bao Ti Center Physical and Chemical Test Report or Northwest Institute For Non-ferrous Metal Research Test Report.