金瑞矿业：公司30万吨天青石精选项目尚在前期工作阶段

Group 1 - The company is currently in the preliminary work phase for its 300,000-ton Tianqing stone selection project at the Dafen Mountain mine [2] - An investor inquired about the official bidding timeline for the Dafen Mountain mine [2] - The company responded to the inquiry on the investor interaction platform [2]