Today, as infrastructure construction and the "dual carbon" goals are deeply integrated, rotary drilling rigs, as the core equipment for pile foundation construction, are undergoing a crucial transformation from "scale expansion" to "quality upgrading". The green transformation and intellige Read More

In the construction of long piles, the selection of the length of the drill pipe of the second-hand rotary drilling rig directly affects the construction efficiency and the quality of the pile. Choosing a short length may result in the failure to reach the designed pile depth, while choosing a long Read More