Chengdu Tangyuan Electric Co., Ltd. provides rail transit operation and maintenance solution. It mainly engages in the manufacture, sale, research and development of power supply and public works engineering monitoring and information management system for the rail transit industry. The company's products include catenary detection vehicles, subway catenary detection systems, subway rail detection systems and other related products. Chengdu Tangyuan Electric was founded by Tang Long Chen and Yan Zhou on November 5, 2010 and is headquartered in Chengdu, China.