Our improvement depends on the superior equipment, excellent talents and continuously strengthened technology forces for Huawei 40km Sfp, Battery Powered Poe Switch , Internet Lan Adapter , Fast Ethernet Switch ,Optical Module . We are glad that we are steadily growing with the active and long term support of our satisfied customers! The product will supply to all over the world, such as Europe, America, Australia,Seattle, The Swiss,Liverpool, Borussia Dortmund.We integrate all our advantages to continuously innovate, improve and optimize our industrial structure and product performance. We will always believe in and work on it. Welcome to join us to promote green light, together we will make a better Future!