Phihong Technology Co., Ltd., commonly known as Phihong, is a world leader in switching power supply products and electric vehicle (EV) charging solutions. Founded in 1972 and headquartered in Taipei, Taiwan, Phihong has grown into a global enterprise with manufacturing facilities and sales offices in Asia, Europe, and the Americas. The company's core business focuses on the design, development, and production of external power adapters, desktop power supplies, open-frame power supplies, and EV charging systems. Phihong's product lines include the popular PSA series AC adapters for consumer electronics, PSP series open-frame power supplies for industrial and medical applications, and PSF series desktop adapters for IT equipment. In addition, the company has expanded into smart EV charging stations, offering both AC and DC fast chargers under the Phihong brand. With decades of experience in analog electronics, Phihong is recognized for its high efficiency, reliability, and compliance with global safety and energy standards such as Energy Star and Level VI. The company serves a diverse range of industries, including consumer electronics, telecommunications, networking, medical devices, and automotive. Phihong's commitment to innovation is evident in its continuous development of GaN (gallium nitride) based power solutions and compact fast chargers for USB-C devices. As a vertically integrated manufacturer, Phihong maintains tight quality control from component sourcing to final assembly, ensuring consistent product quality. Phihong is ranked among the top power supply manufacturers globally, with a strong presence in both OEM and ODM markets.