Shenzhen 0ptec Communication Technology Co. Ltd. is the leading manufacturer & exporter (ISO 9001 certified) located in China specializing in fiber optic accessories, such as connectors, patch cords, pigtails, adapters, patch panels; attenuators and couplers. We have over 12 years professional experience, understanding what our customer needs: good quality, low cost, fast delivery and top service. For further information, welcome to inquiry us anytime.