Topsung Industrial Co., Limited is a professional manufacturer and exporter of lighting IT products. Topsung has two factories (Partner or Shareholder) in Shenzhen. One factory (Called Chang Tai Wei) manufactures walkie-talkies way radios. been the wireless communication field for ...

As a high-tech enterprise, ShenZhen Roccoda Technology Co., Ltd. has been professionally engaged in researching, developing and manufacturing energy saving products, establishing branch of LED lighting devices mainland China. As one pioneer enterprises China's illuminating ...