GUAN HONG DEVELOPMENT CO., LTD. was founded in 1981, is a maker of power supplies & specialized in the design and manufacture for the domestic and foreign market. Hon-Kwang has developed various power supplies using the best of available technology, our main products including AC/AC power adaptor, AC/DC adaptor, power transformer, switching power supply &LED power driver, ballast, charger and line matching transformer. The goal of the company is to provide high quality products, best service, technical support and competitive price. Our Shenzhen factory and Kunshan factory have recognized for ISO 9001 quality assurance and upgraded quality assurance system from ISO 9002 to ISO 14001 also. In the meantime, we have gotten many safety approvals, such as UL, CUL, , TUV/GS/CE/CB, PSE MARK, CCC, BS, RCM, PSB, NOM, TUV/BR, IRAM, EAC Mark, etc. also available for other international safety marks. Our products also comply with the RoHS requirement and the Energy Star/CEC Nrcan/Erp, MEPS for Australia and Korea from 2006. Our power supply can be dan be designed for various applications of home appliances, I.T.E. Audio & Video products,Telecommunication device, Sport facility, Medical equipments, Mobile phone charger… etc.

Manufacture of electronics power supply, AC adaptors, DC adapters, AC to AC linear adapters, AC to DC linear adapters, regulated adaptors, switching power supply, chargers, power transformers, electronic ballast and line matching transformers, power cords & plugs, input & output cords, metal parts, metal stamping parts, stamped metal parts, pc power supply, switching mode power supply, industrial power supply, power supply units, power supply for I.T.E., Audio & Video, home appliance, medical and sports products, switching power supply for LED, power cords.