Gujiao Shanxi MZJ20DB Coal Bed Gas Drilling Service
XJ750、XJ550 workover service of Kuweit Petroleum Corporation
The maintenance and drilling rig service of OGDCL ZJ70DB
Chad 1200HP quick carrying drilling rig rental and maintenance services of CNPC
Tel：+86 183 7189 8121
Phone：+86 183 7189 8121
Email：chengxing171@gmail.com
Add：No. 3 Hengjie Road, Future Science and Technology City, Ninghe District, Tianjin, China
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