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Construction of Pile Foundation in Jiangxi Real Estate
Qinghai Electric Power Project Construction
Hefei Construction Site of China Railway Shanghai Bureau
China Railway 34 Bureau Lida Machine Lock Rod Rotary Excavator
Shaanxi Suide 5150 Drilling Rig Lower Protective Tube
Dongkou County, Hunan
Hebei Zhangjiakou LD-530 Datang Group Thermal Power Company
Hebei Baoding 150 drilling rig
