... screws,titanium bolts, titanium nuts, etc. Jucheng titanium standards (especially titanium fasteners)Brand NameJuchengStandardASTM, JIS, DINMaterialGr1 , ... can meetcustomers special requirements.Jucheng titanium standards include varies types of fasteners such ... petrochemical, aerospace, construction industries. The titanium standards material includes commercially pure titanium and titanium alloys ...