From September 26 to 30, 2021, Academician Wang Yunmin of the Chinese Academy of Engineering, together with experts from Maanshan Mining Research Institute of Sinosteel Group and Ring Mill Technology Holding Group, visited Chongqing to observe the manufacturing and pilot test of dry grinding technical equipment of Jingqing Heavy Machinery. Zhang Jincai, chairman of Jingqing Heavy Machine, Zhang Ke, general manager, Duan Qifu, technical director of Ring Mill Technology Holding Group, etc., reported the equipment characteristics and application of dry grinding technology to Academician Wang Yunmin and his party, and watched the whole process of pilot experiment.

Inspect and observe the list of Chongqing dry grinding technology equipment manufacturing and pilot test team