Huaian Sanhe IT hardware service company. According to relevant information, Huai 'an District and Huai 'an Sanhe IT Hardware Service Company maintain the frequency converter. Huai 'an Sanhe IT Hardware Service Company was incorporated in Jiangsu/Huai 'an on 20 10. The company operates notebooks, projectors, automobile inverters and power supplies in the form of distribution and wholesale. , on behalf of defense workers, maintenance, maintenance, training, consignment, repair, OEM, etc. Inverter is a converter that converts DC energy battery and storage battery into 220V and 50Hz sine wave alternating current with constant frequency, constant voltage or frequency modulation and voltage regulation.