It integrates the R & D, production and sales of motorcycle engine crankshaft assembly, general power engine crankshaft and auto parts, and has mature forging, casting, heat treatment, machining and assembly capabilities

Chongqing Xiema Machinery Crankshaft Co., Ltd. (hereinafter referred to as Xiema Crankshaft) is a manufacturer specializing in the production of crankshafts for motorcycles and general engines. It is also one of the earliest domestic companies that developed motorcycle crankshaft assemblies. The company is located in Beibei District, Chongqing, with a total area of about 60000 square meters. The company was founded in 1958 and changed from a collective enterprise to a private enterprise in 2002. In March 2004, it was officially named Chongqing Xiema Machinery Crankshaft Co., Ltd. In 2010, the company and the Great Yangtze River Group joint venture cooperation, the enterprise from a new starting point to a higher goal.