A big glasses manufactory, with 10y year experience in optics producing. Offer optical frame, eyewear case, sunglasses. Which are fashional designed and good quality. We can offer our own brands SINCERE ND MARCO and we also can offer the OEM, we have many customers in Japan and Korean and other countries. Please trust our profession and sincerity. Looking forward to cooperating with you. We assure tha we will provide the best quality and service...