Weiwang optical is one of the biggest professional optical lens manufacturers with a long years of experience in China. Our company covers an area of 40 Chinese acres, the building space up to 2000 square meters, having many employees and professional qualified members. we can produce 70,000 pairs of lenses every day. We have already held CE, FDA product approvals and ISO9001 management system certification. Our products have been sold pretty well not only in domestic market but also in ...