The U-shaped steel support produced and sold by our group has been improved and innovated on the basis of the original support, which can be better applied to the mine roadway, the secondary support of the mine roadway and the support of the mountain tunnel, with high pressure and long support time , Easy to install, not easy to deform, and many other advantages, and can reduce the use of pit wood, high recycling rate, environmental protection benefits are very obvious, since the product has been widely praised by domestic and foreign customers since the market, the market sales have been rising!
As a national contract-abiding and credit-honoring enterprise, a national designated production unit for special equipment and accessories for coal mines, a top ten enterprise in China's operation equipment, an outstanding enterprise in China's machinery industry, an enterprise with outstanding contribution award in Shandong Province, a demonstration enterprise of integration and innovation in Shandong Provincial "one enterprise and one technology" innovative enterprise, China Coal Group has successively obtained more than 130 national new-type patents, more than 100 national mineral product safety certifications, and more than 160 product inspection qualification reports issued by provincial and municipal technical supervision bureaus. It proves the strong strength of China Coal Group in intelligent product manufacturing R & D.
