Sunglasses Series Technology Co., Ltd focus on manufacture Sport Sunglasses Series, our factory locate at Guangzhou, and expand sales branch in Shanghai. Our Production line includes sport sunglasses, polarized glasses, outdoor sunglasses, cycling glasses, travelling sunglasses, leisure glasses, skiing glasses, 3D glasses, safety protection glasses, lens exchange glasses, colorful glasses, optical glasses frame, TR90 Glasses, goggles, mountaineering goggle, snow goggles and etc.