On March 10th, local time, Iran's Islamic Revolutionary Guard Corps released its latest statement, directly linking the right of passage through the Strait of Hormuz to diplomatic positions: any Arab and European country that expels the ambassadors of the United States and Israel will be granted Read More

On March 10th, local time, Iran's Islamic Revolutionary Guard Corps released its latest statement, directly linking the right of passage through the Strait of Hormuz to diplomatic positions: any Arab and European country that expels the ambassadors of the United States and Israel will be granted Read More

On March 10th, local time, Iran's Islamic Revolutionary Guard Corps released its latest statement, directly linking the right of passage through the Strait of Hormuz to diplomatic positions: any Arab and European country that expels the ambassadors of the United States and Israel will be granted Read More

At present, the competitive landscape of the rotary drilling rig industry presents a distinct head concentration feature, with a market concentration rate (CR5) exceeding 69%. Sany and XCMG, the two leading enterprises, lead the market with their technological, scale, and channel advantages. The Read More

In the hole-forming operation of rotary drilling rigs, hole collapse is a common quality hazard that affects construction safety, progress, and cost. It can range from mild cases of hole enlargement and expansion to severe issues such as drill burial and rod breakage, and may even trigger risks to t Read More