At emergency rescue sites, cranes are core equipment for clearing life-saving channels and moving hazardous heavy objects. Their deployment efficiency and operational capabilities under special conditions directly affect the progress of rescue operations and personnel safety. When faced with complex Read More

The foundation of high-rise buildings needs to bear huge vertical loads, and has extremely high requirements for the depth, diameter and quality of the drilled holes. The model matching degree and accessory compatibility of second-hand rotary drilling RIGS directly determine the efficiency and safet Read More