Worldwide Energy and Manufacturing USA, Inc. ("Worldwide"), headquartered in San Bruno, California, is a 14 year old engineering-oriented firm specializing in international contract manufacturing for solar modules, electronics, mechanical and fiber optic products. Worldwide is also a direct manufacturer of automobile air-conditioning units, die-casting and electronics components. The company's worldwide customer base includes the industries of wireless telecommunications, aerospace, automobiles and medical equipment. Worldwide also manufactures components for the following industries: instrumentation, machinery, tools, home electrical solutions and electronic parts (such as electronic toys) and energy. Subsidiaries include Shanghai Intech Electro Mechanical Products Co. Ltd., Chengde Science & Technology Co. Ltd., Shanghai Intech Electronics Manufacturing Co. Ltd. and Shanghai Intech Precision Mechanical Products Manufacturing Co. Ltd., located in Shanghai and Changchun City, China.