Guangdong Yangshan United Precision Manufacturing 

Guangdong Yangshan United Precision Manufacturing Co., Ltd. is a Chinese enterprise specializing in the research, development, production, and distribution of high-precision mechanical components, primarily catering to the appliance sector. Its extensive product line encompasses a wide array of air conditioning compressor components, including finished pistons and crankshafts, various castings (for bearings, cylinders, pistons, and diaphragms), as well as separate bearings, cylinders, crankshafts, lower flanges, and complete cylinder assemblies. For refrigerator compressors, the company manufactures crankcases, crankshafts, and ice crankcase products. Beyond appliances, their manufacturing expertise also covers heating plates for small appliances, automotive brake discs, precise parts for lithography machines, motor protective covers, and elevator components such as support arms and sheaves. Established in 2003, the company maintains its headquarters in Qingyuan, China.