Yi-an technology hk Co., Ltd., is established in hk. Its factory is located in shenzhen, guangdong, China. Yi-an is specialized in research, development, manufacturing and marketing of fiber optical communication products. Its owner and investors from hk and mainland China have extensive experience in telecommunication industry over 10 years. Our products and services include passive components (patch cord, adaptor, attenuator splitter and SFP module) and fiber telecommunication equipment (media converter, network booster and video converter). With our certified quality system, ISO 9001 and RoHS, our customers always get the highest quality products. Supporting volume OEM applications in leading edge technologies and providing quality products and services, we have established business relationship with several large and successful companies abroad.