Shenzhen Wenjiexin Electronics Co.,Ltd. is a hi-tech enterprise, specializing in the research,development and production of AC / DC series switching power supply, adapter and CCTV power supply. Established in 2006, more than 10 years we focus on these products only and become the most cost-effective manufacturer in China. We are ISO9001:2008 certified and implement 5S in our factory. In order to provide you defect-free product, we have imported the precise testing and inspection equipment whic