Shijiazhuang Tonhe Electronics Technologies Co., Ltd. engages in the research, development, production, and sale of high frequency switching power supplies and related electronic products. It also provides new energy electric vehicle charging power supply and supporting equipment, new energy electric vehicle on-board power supply, new energy electric vehicle motor controller and supporting equipment, power integrated power supply, power operating power supply, uninterruptible power supply, emergency power supply and communication power supply. The company was founded on December 21, 1998 and is headquartered in Shijiazhuang, China.