DongGuan City GangQi Electronic Co., Ltd as a wholly-owned subsidiary of YOENGYOWG TECHNOLOGY LIMITED (HK) was established in November of 2004, locates at the South of China which in DongGuan City Guangdong Province. Committed to the R&D and manufacture of power supply, transformers, waterproof transformers, various types of transformers for lighting, linear adapters, switching power supply adapters, electronic ballasts. Our products are widely used in electronics, lighting, Household Appliances, gifts, as well as information technology to meet various market. We own high technology equipments, experienced designers and full skilled workers. We are the leader and at the forefront in the same industry. With the demand of market diversification, and with the aim of developing international market, we set up interrelated subsidiary companies one after and other. In May 2009, we set up Dongguan PuHang Electronic Hardware Factory, specialized production each kind of High-frequency transformer, Inductance, Coil. In June 2013, we establised DongguanCity Mitra Power Solutions Co., Ltd to in charge of producing linear adapter and switching power supply.