ShengYa Optical lens manufactory located in Jiangsu DanYang, Which is well known as the “hometown of glasses” all over the world. Shengya company is an industry and trade company. With incomparable ability of designing, producing and selling. ShengYa specialized in producing all kinds of optical lenses. Including CR39,1.499,1.56,single vision, bifocal, progressive, finished and semi finished.Photochromic And blue block lenses are our main products.With complete variety and specification. And we welcome to customization logo envelope and foggy logo. Our company is equipped with an independent office area. Standardized workshops, advanced production equipment, and more than 100 employees. We adhere to the belief of “quality is the most important”.Constantly enhance the creativity of all of our products. We are committed to producing healthy and comfortable optical lenses. Good quality, good service. Shengya Optical has a good reputation around the world. Our lenses are exported to North America. South America,Europe,Middle East Southeast Asia and other parts of the world.