Optical lenses, cr-39 lens
Jiangsu Green Stone Optical Co., Ltd (abbreviated in SETO) and Shanghai Visual & Transcendent Optical Spectacles Co., Ltd (abbreviated in V&T) are a group of manufacturers and distributors of optical lenses. SETO is specialized in researching, developing, manufacturing and export business of lenses. While V&T deals exclusively in domestic distribution. SETO has more than 65000 square meters production bases, with more than 200 employee. We specialize in producing the CR-39 lens, including Myopia and reading, such as sphere, cylinder, mutil-cylinder, round-top bifocal, flat-top bifocal, progressive, tint, photo chromic, polarizer with uc, hc, hmc, and emi coating.
