AMCO United Holding Limited, an investment holding company, engages in the manufacturing of medical devices in Hong Kong, the People's Republic of China, and internationally. The company operates through Medical Products Business; Plastic Products Business; Money Lending Business; and Securities Investment Business segments. It is also involved in the sale of plastic moulding products; provision of money lending; and investment in securities. The company was formerly known as Guojin Resources Holdings Limited and changed its name to AMCO United Holding Limited in February 2012. AMCO United Holding Limited was incorporated in 1994 and is based in Central, Hong Kong. Address: Crawford House, Central, Hong Kong