Being a member of China Optometric & Optical Association (COOA), Y&S is one of the leading manufacturers and exporters in China supplying full range of Ophthalmic Lenses and Blanks. The company passed ISO9002 (2000) standard, relevant products have been approved by TUV according to CE standards and also registered with government in many countries, including FDA in USA. Besides CR-39 Hard Resin Lenses, 1.56 Middle Index Hard Resin Lenses, 1.59 Polycarbonate Lenses, 1.61 Hi-index Hard Resin Lenses, Mineral White 1.523 Optical (Crown) Lenses, 1.7 / 1.8 Hi-index Lenses, Photochromic Lenses, Sunlens, Polarized Lenses, Y&S also provides PhotoGray  Extra (PGX ), PhotoBrown Extra (PBX ) and 1.9 Hi-index Lenses made from CORNING blanks. With years of experience in this field and high reputation, various products of Y&S have been proved to be very competitive and sell well in overseas markets. |
, PhotoGray