Huizhou Changfa Electronic Technology Co., LTD. (Shenzhen Changfa Hongda Electronic Co., LTD.) is a professional R & D, production and sales of 3-32 string power battery protection panel, electric vehicle, motorcycle battery protection panel, three string four string solar street lamp, UPS backup power supply, inverter, sprays, power tools and other types of protection panel, 3-32 series of intelligent software with communication, remote monitoring BMS protection board, 1-500A large current protection board. LED drive circuit board! After six years of development, Chang Fa has rich industry experience, mature marketing network, more than 13 years of power battery protection board research and development and design experience of senior engineers, a wealth of technical research and development team, strong technical strength, to provide a variety of supporting services for different customers. Changfa, as always with the "quality determines the market, integrity determines the future" business philosophy, continuous innovation, continuous optimization, continuous improvement of the industry level, improve product competitiveness, and strive to become an industry promoter. "Quality, competitiveness (price) and service" are indispensable. The company can be customized according to customer requirements to develop a variety of battery protection board, welcome to map to sample development. Welcome to cooperate! Sincerely welcome people with lofty ideals to join the cooperation and create brilliant!