Our company located at Beijing YanQing economic development zone, is Beijing High technology and new technology Enterprise, is mainly engaged in the high frequency soft switching power supply's development to design and to produce, the development direction is the environmental protection, the energy conservation product. We develop the main product has the intelligent battery charger, the electric car battery charger, the electrical machinery controller, the cocurrent cuts the wave velometer, permanent magnetism not to brush the electrical machinery controller, the high frequency switching power supply, the mineral product electric welding machine, the xenon lamp rectifier and so on new product, the technical level belongs to the domestic advanced standard, these products and technology now already by Beijing Chinese toon Rectification Factory, Beijing Mechanical and electrical Research institute, Beijing Satellite Factory, Chinese unit uses and so on Railroad Academy of science, Harbin Movie Machine shop, Tsinghua University, Chinese greatly permanent company. The honor and magnificent already passed, today, we still as always unceasingly raised the service level, satisfies the different customer fully each kind of demand, in the steep competition market environment, realizes win-win, creates belongs to you and my miracle!