Headquartered in Singapore, the Sun Power Grand Holdings Group professionally develops and manufactures high-tech optoelectronics products. Smile Power Technologies specializes in the research and development of high-end chips, microcomputer modules, and plant factoriesSun Power Technologies manufactures solar-power battery ICs, microwave ICs, and LED ICsDong Tai Long Technologies manufactures electronic microcomputer ballasts, LED packaging, and lighting equipmentWinner Technologies is a distributor that specializes in the establishment of domestic as well as global dealership locations, sales locations, and product distribution channel