brighter optical is one of the largest factories and exporters who specialize in producing high quality optical frames,as follows: 1:sunglasses(plastic ,acetate and metal) 2:optical frames metal optical frame (nickelsilver,monel,stainless steel) 3:titanium optical frame (pure titanium,beta titanium) meta memory optical frame ( titanium memory) 4:acetate optical frame (acetate sheet) 5:reading glasses(plastic and metal) 6:spectacle cases; cleaning cloth 7:cr39 lens and mineral lens 8:optical frames accessories and fittings contact email: brighteroptics@glasses-eyewear.com http://www.glasses-eyewear.com