Topsung Industrial Co., Limited is a professional manufacturer and exporter of lighting and IT products. Topsung has two factories (Partner or Shareholder) in Shenzhen. One factory (Called Chang Tai Wei) manufactures walkie-talkies and two way radios. Topsung has been in the wireless communication field for more than 8 years. The other factory (Topsung Lighting) produces LED lighting, including LED fluorescent tubes, LED bulbs and spotlights. Moreover, we also deal with PC peripheral products, such as laptop batteries and laptop AC adaptors. Topsung always abides by the principle of "taking market as guide and customer's demand as target". After decades of development and extension, Topsung has established long-term and stable business relationships with many enterprises all over the world.Our advantage: trustable quality, lower price, fast delivery, strong technical support, good RMA policyWe believe that: innovation, high-quality, low price and great efficiency will bring both parties with long-term mutual benefits. OEM and ODM services are welcomed.