Under the guidance of Ministry of Natural Resources, PRC and Tianjin Municipal People's Government, sponsored by China Mining Federation and organized by Tianjin Mining International Exhibition Co., LTD., the 2021 (23rd) China International Mining Conference will be held in Tianjin Meijiang Convention and Exhibition Center from October 21 to 23, 2021. The conference will be held in the way of "online + offline". China international mining conference held since 1999, has been successfully held 22 consecutive terms, has been one of the largest in the world, one of the most influential mining exhibition, conference covers the geological investigation, exploration and exploitation, technology and equipment, investment, finance, trade in services, such as mining the whole industry chain, has become a barometer of mining industry market and development trend of industry and an indicator, It is an important platform to promote the prosperity and sustainable development of international mining industry. 2021 (23) China international mining conference by BBS, exhibition, "national promotion" and so on the main content of, in view of the hot problems of global mining face under the new situation, to the mining right, investors, technology in areas such as service providers and equipment manufacturers professional organizations, professional buyers and provides a platform of communication and cooperation. Conference forum: it is composed of theme forum and special topic forum. It is held offline and live broadcast online simultaneously.

Product introduction GYQ-200, GYQ-200A, GYQ-200B three kinds of drilling rigs are suitable for industrial and civil construction, highways, railways, bridge foundations, dam sites, water conservancy, water wells, prospecting and other engineering geological survey work, shallow oil and natural gas Mining, mine tunnel ventilation, drainage, and large-diameter foundation pile hole construction, etc. According to the different stratum, drill bits such as diamond, cemented carbide, spiral etc. can be used for drilling. This model has the advantages of compact structure, light weight, small size, and good detachability. These three types of drilling rigs are one of the rare ideal equipment that meets the needs of the new market. Main features 1. A more reasonable speed range is selected. There are eight speed levels, centralized transmission, mutual self-locking, low-speed torque, and a wide range of use. It is not only suitable for engineering geological survey, but also suitable for diamond core drilling . 2. The drilling rig has two reverse speeds, which is convenient for safe handling of faults. 3. The gyrator chuck adopts two forms of manual ball chuck and automatic centering hydraulic chuck for users to choose.