OPCSUN is a leading manufacturer optic products in China. We have over 10 year experience in fiber optic industry. With a strong background of precise processing technology from Japan, OPCSUN could produce high quality of fiber passive products from components to end products. We provide full range products of fiber connectors, fiber patch cord, fiber adaptors, FTTH fast connectors, fiber, splitter, fiber patch panel and etc. We have loyal customers from China, South Korea, Japan, US, Canada, UK, France, Italy, Sweden, Danmark, Brazil, Mexico, Russia