... : More than 20 years history to manufacture tungsten, titanium (TC4 ,TA2,TA1)and 316L stainless steel products; ... the R&D, manufacture and sales of stainless steel and Titanium alloy jewelry, watches, clocks and precision hardware. With strong ... products cover a broad range of rings, pendants, earrings, chain bracelets, watches and hardware parts. OEM/ODM all kinds of precision hardware product