Shenzhen Lianyunda Electronic Co., Ltd. - LianYunDa (Hong Kong) Industrial Co., Ltd. is a national high-tech enterprise, specializing in the productions of switch power supply, waterproof LED power supply, power adapter, charger...etc manufacturer. Our company has passed ISO9001:2008 international quality system certification, and has obtained dozens of invention patents, utility model patents, appearance patents. LYD's products are at the leading level in the power industry technology and certification. First-class technology, enthusiastic service, strong research and development capability and production efficiency, will be your ideal choice. Our products specifications are varied and their appearance are beautiful. Product design and production are strictly in accordance with the safety standards for power supplies.Products from 3 W to 1000 W (Output Voltage is 3 - 72 Vdc, Output Current 0.3 - 100 A), A total of more than 1000 kinds of models, all series by UL, CUL, CSA, TUV/GS, CE, BS, SAA, C - Tick, KC, PSE and ROHS, FCC, EMC, CEC, MEPS, ERP, CB certification, etc.