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XCMG XR550D rotary drilling rig broke pile depth record in Jiaojiang Bridge constructionXCMG drilling rigs again won applause for its record-breaking achivements during the construction of 267 km Han
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
How to Judge the Quality of Core Barrel for Foundation Piling?
Core barrels are designed for challenging drilling tasks, such as cutting through hard rock and steel-reinforced concrete. When standard
As the Chinese Lunar New Year is approaching, the 2014 Year-end banquet was held by the Ougan Company.President Robin Mao Opening SpeechGroup PhotoStaff Talent Show Some of the AwardsDinner TimePost t
Key Words: Rotary Drilling Rigs; XCMG; XR800ERecently, the rail-highway bridge project of Ma’anshan Yangtze river, the world's first extra-large diameter (4m OD) foundation group project in inland riv