Guangdong Yangshan United Precision Manufacturing Co., Ltd. engages in the research and development, production, and sales of precision mechanical parts, including pistons, bearings, cylinders, and crankshafts, which are used in fields such as air-conditioning compressors, refrigerator compressors and auto parts. The company was founded on August 29, 2003 and is headquartered in Qingyuan, China.