1.XUZHOU WUYANG TECHNOLOGY CO., LTD
    It is the first national high-tech enterprises,which applied hydraulic tensioner to the belt conveyor tensioning .It has received a number of the ministry of Science and Technology awards,and Coal Ministry awards. Through Years of pioneering and continuous technological innovation, the company has developed into a largest belt conveyor belt in domestic product-controlled hydraulic tensioning devices businesses .

    2.XUZHOU ZHONGKUANG KEGUANG MACHINE AND ELECTRICITY TECHNIQUE CO.,LTD
    The company is relying on China University of Mining and high-tech enterprises.There area a number of doctorate or master's degrees pesonnel and a number of high-quality technician for production and processing. The company mainly engaged in the development of mechanical and electrical production, development, processing and marketing.
    The company put science and technology as its foundation, and high-precision processing, manufacturing and improving after-sales service as its ensurement. Providing its users with advanced ,reliable and stable mining machinery and electrical products. The main technical backbone of the company is in the mine upgrade, transport and transport safety monitoring of teaching and researching,.It has completed a number of national, provincial and ministerial projects, 17 of them got authorized patents

    3.CHINA MINING DRIVES AND AUTOMATION CO.,LTD
    It was established in 1997, which is a the size of high-tech enterprises combined with design, development, manufacturing, selling and servicement, and is the "Jiangsu Provincial Power Transmission and Control Engineering Technology Research Center" supporting unit.
    Competitive products of the  company - in a series of independent intellectual property rights ,ASCS , DC power transmission speed, and all-digital control system are the state's key new products,which got many of the national and provincial-level scientific and technological progress awards. As technologically advanced, safe operation reliable and energy efficient, and production improvement are obvious .They are widely used in more than 20 large-scale mining company,and got highly praised from users.