Shenzhen GTTECH Technology Co., Ltd. is a professional optical fiber network equipment manufacturer established by four senior engineers. Professional manufacturers devote themselves to the design, development and production of equipment for Optical Fiber Ethernet Network.we are one of the leading manufacturers involved in optical fiber network industry since 1994. Our main products are Optical Fiber Media Converters and repeaters , Media Converter Rock and Optical Ethernet Switches etc. With high and stable quality, reasonable price and excellent services, which are supplied for the fields of telecom, radio and television,and business digital communications. The products have gained admires and been held in reputations from various customers. The products were accessed telecom equipment testing by China's Ministry of Information Industry in March 2002, achieved all technical indicators by telecom equipment standards, and adopted 3C certification in July 2004. The products are applicable to the various optical fiber Ethernet with high performance and high stability required by telecom, radio and television, and broadband networks. For further information,pls vist our website.