Shenzhen Si Zhanhong Technology Co., Ltd. Zhanhong thought are founded in 2002 and Factory:(Shenzhen DHY Electronics Technology Co., Ltd.,)currently employs more than 300 people, is a professional engaged in LED constant current source, LED driver power supply, LED driver module, LED waterproof power supply, battery charger, power adapter Product R & D, production , sales and services. As of now, has been independently developed include: high-power LED constant current power supply 1-150W, LED outdoor use waterproof power supply, LCD liquid crystal display with switching power supply, battery charger, instrumentation electricity network switches with built-in power board, board with power supply, power amplifier, such as machine100 Total number of models can be customized according to OEM customer requirements. Companies adhere to a high starting point, weight management, quality survive, with technology development. Customers can order all kinds of high-power LED driver power supply, chargers, adapters. Common Product specifications have been met and adopted the CCC (China), UL (USA), cUL (Canada), PSE (Japan), GS (Germany , the European Union), BS (UK), CE (Europe), C-Tick (Australia ...