Tongda Optical is one of the leading glasses manufacturers and exporters in Wenzhou. Founded in 1989, we're a integration enterprise for collection of research and development, manufacturing, sales. We put forward "Go high-end way, be the best quality glasses manufacturer in Wenzhou"as business philosophy. We obtained the honorary titles of "2016/2017 Wenzhou High Growth Enterprise", "National High-tech Enterprise", "Zhejiang Science & Technology (Innovation) Type Enterprise", "Wenzhou Famous-brand Product", "Top10 Famous Brands Of Wenzhou Ouhai Glasses". Tongda pays high attention to product quality and technological innovation. We took the lead in passing ISO9000 quality system certification and CE certification within the industry. In addition, we have established quality testing laboratory and product R&D center, promoting the products to the international advanced level. Now our product have obtained a total of 50 appearance patents, utility model patents.