Phihong Technology Co., Ltd. is a power supply company based in Taoyuan City, Taiwan. It offers adapters, including desktop, fixed plug wall, and interchangeable plug wall types; power-over-ethernet solutions such as PoE injectors and splitters, media converters, and PoE to USB C; and medical open frame and medical adapters. It also provides battery charger solutions, open frame and internal PSUs, and EV chargers, and engages in the electric vehicle energy business. The company was formerly known as Phihong Enterprise Co., Ltd. and changed its name to Phihong Technology Co., Ltd. in June 2003; it was founded in 1972.