Jiangsu green stone optical co., ltd

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.