Xinxiang City tunnel Mechanical and Electrical Equipment Co., LTD.began in 1 99 8 years (originally Xinxiang City Yulong bolting and shotcrete support Factory), is specialized in engineering construction mine, tunnel bridge, subway culvert, hydropower engineering, underground engineering and coal Gaofen mine roadway and other industries concrete machinery design, research and development innovation, production sales service as one of the high-tech enterprises.