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Types of Kelly Bars
The Kelly bar is an essential component of foundation drilling rigs, crucial for transmitting torque and pressure necessary to break and remove the formation during drilling operat
XCMG rotary drilling rigs are used to pile foundations over the Yangtze River!
The Chongqi Gong-Tie Yangtze River Bridge is a critical control point for the high-speed rail from Shanghai to Nanjing an
New Achievements Completed – 30 XCMG Rigs Took Part in
Chongqing East Railway Station
Recently, the pile foundation construction of Chongqing East Station Comprehensive Transportation Hub Proj
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