Established in 1970 and located in Mianyang as a Silicon Valley Science & Technology City in China, Sichuan Changhong Battery Co., Ltd. is specialized in the R&D, production and sales of battery system (including framework) and its supporting power management system, e.g. nickel-cadmium battery system, lithium battery system, etc. for startup and communication control of Rail Transit, e.g. Metro, Light Rail, High-speed Train, Maglev, Sky train, Railway, etc. Changhong now is the largest solution supplier of alkaline battery for industrial application and its supporting power system in China, and the only manufacturing expert of alkaline battery for industrial application that passes IRIS international railway quality management system certification.