we are specialized in UPS,sealed maintenance-freebatteries,inverters,stabilizers,etc.we utilize the high-tech. method to achieve the international standards.we have two manufacturing sites and 126 branches in China as well as business partners abroad.we have our own R$D Dept. and the only one listed company in power line in China.we can try to meet the customer's requirements according to the concrete condition.OEM service is available.