... with 6 famous European jewelry brands for many years.Please don't hesitate to ... more information . 1.metarial:metal2.advanced design,the products are easy to installed,maintained ... in the R&D, manufacture and sales of stainless steel and Titanium alloy jewelry, watches, clocks and precision hardware ... earrings, chain bracelets, watches and hardware parts. OEM/ODM all kinds of precision hardware product