On April 15th, a group of single-unit hydraulic props and U-shaped steel support equipment were installed in China Coal Group's intelligent equipment manufacturing workshop, and then will be sent to Shanxi Changzhi and Tianjin Port, respectively. The single-unit hydraulic prop products and U-shaped steel support equipment shipped this time are hot products of our group, and have been unanimously recognized by customers at home and abroad since they were put on the market. The products have been exported to 158 countries and regions around the world and have been established in the industry Good reputation and credibility.
The mining hydraulic prop products developed and produced by our group have been innovatively improved to overcome the defects and problems of the DZ (piston type) hydraulic prop. It has large working resistance, light weight, long service life and large working stroke. , Low cost of use, easy operation, wide range of use, good stability and many other advantages. At present, 49 models of "ZHONGMEI" mining hydraulic prop products independently developed and roduced by our group have obtained the national mining product safety mark certificate. It is very safe in terms of quality and safety, and was rated as Jining famous brand product.
The U-shaped steel bracket produced and sold by our group has obtained the national utility model product patent certificate. The product has been improved and innovated on the basis of the original steel bracket, which can be better applied to the mine tunnel, the secondary support of the mine tunnel and the support of the ountain tunnel The support has many advantages such as high pressure resistance, long support time, easy installation, and easy deformation. It can reduce the use of pit wood, has high recycling rate, and has obvious environmental benefits. Since the product has been put on the market, it has been widely used by domestic and foreign customers.
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 operating equipment, an outstanding enterprise in China's machinery industry, an enterprise with outstanding contributions to industry in Shandong Province, a demonstration enterprise for integration and innovation in Shandong Province, 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.
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 operating equipment, an outstanding enterprise in China's machinery industry, an enterprise with outstanding contributions to industry in Shandong Province, a demonstration enterprise for integration and innovation in Shandong Province, 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.
