HU Chaobin
Tianjin North China Geological Exploration BureauSONG Guanzhang
Tianjin North China Geological Exploration BureauPIAN Lei
Tianjin North China Geological Exploration BureauHE Zhanhai
Tianjin North China Geological Exploration BureauZHANG Na
Tianjin Huakan Foundation Engineering Testing Co., LtdLI Guangyuan
Tianjin Huakan Foundation Engineering Testing Co., LtdGAO Chengcheng
Tianjin North China Geological Exploration Bureau1.Tianjin North China Geological Exploration Bureau;2.Tianjin Huakan Foundation Engineering Testing Co., Ltd
TU473.1 4