HANGZHOU ZHONGHENG ELECTRIC Co., Ltd. is principally engaged in the research, development, production and distribution of high frequency switch power supply systems. The Company's major products include indoor and outdoor communication power supply systems, as well as electricity operation power supply systems. The Company's power supply systems consist of rectifier modules, monitoring units, AC power distribution units, DC power distribution units, voltage reduction units, storage batteries and related assistant units, among others. The Comany's products are mainly applied in communication network, electricity network, power generation plants, railway, track traffic, mining, metallurgy and petrochemical engineering, among others.