brighter optical is one of the largest factories and exporters who specialize in producing high quality optical frames,as follows: 1.metal optical frame (nickelsilver,monel,stainless steel) 2.titanium optical frame (puretitanium,beta titanium) 3.meta memory optical frame ( titanium memory) 4.acetate optical frame(acetate sheet) 5.plastic sunglasses(pc) 6.metal sunglasses(nickle silver) 7.acetate sunglasses(acetate sheet) 8.reading glasses 9.spectacle cases and cleaning cloth web:http://www.glasses-eyewear.com email:brighteroptics@glasses-eyewear.com welcome to choose our optical productions.