Mine water control work requirements

        (1) The retained mine of the anti-seismic rock ( coal ) column should be determined according to the geological structure, hydrogeological conditions, coal seam occurrence conditions, physical and mechanical properties of surrounding rock, mining method and rock movement law. T

Xi'an Cummins Power Sparkles Zijin Mining

Recently, Yutong Heavy Industries and Xi'an Cummins held a mass delivery ceremony under the Purple Mountain. Zhao Wenshuai, manager of Yutong Heavy Industry, Chen Zhiwei, head of Zijin Mining Project, Lei Minglu, regional manager of Xi'an Cummins , representatives of various projects