I am glad to ntroduce our company to u as profession manufacture all kind of lenses in Danyang city, china. There are more than 10 years experience for manufacture all kind of lenses. Our all equipments are all from Korea and Japan.70% of our products are exported to Europe, America and Australia. In addition, we also got the ISO9001:2000, FDA and CE certificate. So you can take easy about the quality of our products! Regarding of the products, we can manufacture all kinds of optical lens such as: CR-39 (1.499), mid-index ( 1.56), high-index (1.61) uncoated and hard multi coated lens. Besides, we also develop new products: N=1.67, PC lens and photochromic lens etc. Glad to know you are interested in our products and hope I can get the chance to serve for you. Please show me your mainly interest and I will try my best to offer you the best price!