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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 distributers 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. And now it introduced the complete set of the world advanced level equipment and the brand-new non-dust production craft to ensure the high quality.
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