ODM Design & Manufacturing, Power Adapters, Power Supplies, Battery Chargers, LED Drivers,Power-over-Ethernet for the worlds leading OEMS. EV Chargers. Phihong is a global leader in the development of world-class power solutions, with annual revenue of $500 Million. A leading supplier of power adapters, power supplies, LED drivers, lighting controllers, and Power over Ethernet products, Phihong proudly serves OEMs in the medical, datacom, telecom, personal electronics, industrial, networking, and lighting markets, and has a truly global reach, with design labs, manufacturing facilities, and sales support centers in California, New York, The Netherlands, China, Japan, and Taiwan.