1. Sichuan Zigong Transportation Machinery Group Co., Ltd. Zigong Conveyor was established in 2003. It is an innovative and developing brand in the domestic transportation machinery market. It is a listed company specializing in the design and manufacture of general-purpose belt conveyors, tubular belt conveyors, bucket elevators, screw conveyors, curved belt conveyors, driving devices and non-return devices. Currently, its products sell well all over the country and are exported to India, Pakistan, Malaysia, the United States and other countries and regions. 2. Shandong Mining Machinery Group Co., Ltd. Founded in 1955, Shandong Mining Machinery is a listed group company specializing in coal mining machinery, bulk conveyors, high-end intelligent machinery manufacturing and related services. Listed on the Shenzhen Stock Exchange in December 2010 (stock code: 002526). The company insists on independent research and development, and its technology ranks at the leading level in the country. Its products cover various types of light, medium and heavy scraper conveyors, single hydraulic props, hydraulic supports, belt conveyors and complete sets of fully mechanized mining equipment. 3. Xiangzhi Intelligent Equipment Co., Ltd. Founded in 1950, Xiang Zhiming is a well-known domestic manufacturer of heavy machinery and equipment. It is a high-tech enterprise dedicated to the development and manufacturing of long-distance continuous conveying equipment for bulk materials. It is a leading enterprise in the domestic belt conveyor industry. Taizhong Group has strong independent research and development capabilities, and the products it designs, manufactures and produces are widely used in coal, electric power, mining, chemical industry, terminals and other industries.