Shenzhen LianYunda Electronics Co., Ltd. is a professional manufacturer in developing producing and marketing of switching power supply, power adapter, LED power supply, waterproof LED power supply and battery chargers, Our logo (POADAPTOR) means power adaptor. Relying on a 30 years experienced engineer team, all of our products are safety compliance such as IEC950、60335、61558、EN60335、61558、UL1950、1310、1012. More than 800 varies kinds of products covered 3W to 150W power supply which  are UL、CUL、TUV、GS、CE、CB、BS、SAA、PSE、C-Tick、EK、CEC、EMPS、ERP safety certificated.