Rescue Site of Water Inrush Accident in Wangjialing Coal Mine, Shanxi
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At the rescue site of the permeable accident at Wangjialing Coal Mine in Shanxi, the Φ114 drill pipe of our E75 steel grade supporting Shim 130 drilling rig used pneumatic submersible hammer drilling technology to open the rescue hole and successfully rescued 115 people.
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MULTI-FUNCTIONAL SURVEY SAMPLING DRILL RIG
2020-09-23
Established in 1975, Hebei Shitan Machinery Manufacturing Co., Ltd
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