Featured

We keep improving and perfecting our products and service. At the same time, we work actively to do research and development for Featured, Polarization Maintaining 24Fibers MPO Patch cord , Inline Variable Optical Attenuators , 1km Wireless Transceiver , With the advanced workshop, professional design team and strict quality control system, based on mid- to high-end marked as our marketing positioning, our products are fast selling onto European and American markets with our own brands such as below Deniya, Qingsiya and Yisilanya.