SETO is a professional supplier of optical lens products such as hard resin lens, bifocal lens.We are a real manufacturer and provide OEM service. Although, we are here, in a traditional industry we operate our business in an unconventional way.SETO is a young company but growing fast, we are working hard to provide you best products with incredible worthy price. SETO has obtained the certification of CE and ISO9001:2000.Please feel free to talk to us or visit our website.We'll be there for you.