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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