Project Qinglongsi Coal Mine Project- CHN Energy Group Qinglongsi Coal Mine Project- CHN Energy Group Guojiawan Coal Mine Project, CHN Energy Group The idlers are primarily used for underground coal mine belt conveyors. Shenmu Ningtiaota Mining Co., Ltd---Shaanxi Coal Group Shenmu Ningtiaota Mining Co., Ltd---Shaanxi Coal Group Shanxi Luneng Shangyuquan Long-Term Agreement Project Shanxi Luneng Shangyuquan Long-Term Agreement Project Add to offer list