... and alkali resistant, anti-corrosion Factory briefly introduction: Professional and reliable OEM/ODM metal products factory , capable of making all ... Factory History : More than 20 years history to manufacture tungsten, titanium (TC4 ,TA2,TA1)and 316L stainless steel products; ... jewelry with superior quality and competitive price.Our factory in shenzhen China,variety include ring,pendant,bracelet, ...