Atech OEM Inc., Established in 1990 and listed on Taiwan OTC securities market since 2001, specializes in the design and manufacture of high performance communication transformers , bluetooth module/device , WiFi Mesh/AP and power supply for mobile electronic devices incl. Switching Power Supply Adapters, Open Frame Switching Power Supplies, Car Chargers, Linear AC/DC Adapters. With headquarters in Taipei, Taiwan, Atech OEM Inc. has factories in Dongguan Shipai, Jiangsu Danyang, Ningbo and Yichang of China, to provide customers with comprehensive and speedy services.