Founded in 1993, Shenzhen liantaixing Electronic Technology Co., Ltd. (group-tek) is the first high-tech enterprise integrating R & D, production and sales, specializing in the production of network / communication transformers, filters, converters, voice separators and other electronic components. Its products are widely used in switches, routers, computer mainboards, network cards, hubs, broadband ADSL, set-top boxes In the network / communication industry.