Hunan Changze Information Technology Co., Ltd., focusing on network products industry ten years, has rich experience, strong technical force, complete varieties, good quality and reasonable price. We cooperate with Huawei, ZTE, fiber etc, on wholesale and retail of olt onu devices. Main products are HUAWEI / ZTE ONU, OLT, Switches and SFP Modules, Fusion Splicer, OTDR etc. We pursue "quality first. customer first. service first" principle, the large amount of high quality products with high sensitivity and good stability. Our products sell well all over the world and have gained good reputation from our clients. We will continue to strive to providing quality products to our customers and welcome friends from all over the world.