Shandong Liancheng Precision Manufacturing Co., Ltd. engages in the research, development, design, manufacture, and sale of precision machinery parts. It offers automotive parts, construction machinery, tractors, mechanical parts, ferrous and non-ferrous metal castings, precision castings, die castings, gravity castings, as well as parts for water treatment systems, commercial air conditioners, hydraulic systems, and industrial valves. The company was founded by Yuan Qiang Guo on March 25, 1995 and is headquartered in Jining, China.