公司简介
Topmark Technology Co., Ltd, specialized in development, production and distribution of Fiber transmission device, is established with the registration together by Hongkong Topmark Group and Risk Investment Company from American and Europe. It is aiming at providing full line Active optical device and passive optical device for WAN, MAN, FTTx and SAN, including active optical, passive optical, groupware, module even subsystem. Passing the certificate of ISO9001:2000, the company possesses rich developing capacity and high-efficiency quality system with the overseas techn