Since late February 2026, the geopolitical crisis in the Middle East has escalated abruptly. Israel has infiltrated and taken control of almost all traffic cameras in Tehran through cyber means, and after years of constructing behavioral profiles of Iran's Supreme Leader's security team, it fina Read More

The act of US submarines launching surprise attacks on Iranian warships in the open sea without warning has elevated military hegemony above international rules. This almost privately-owned behavior not only breaks through the bottom line of war ethics and international law, but also triggers a Read More

Recently, the U.S. Secretary of Defense issued a clear warning that the U.S.-Iran military confrontation could last 8 weeks or even longer. If Iran takes extreme countermeasures, it will trigger a triple disaster in the Middle East: a humanitarian crisis, energy turmoil, and supply chain disrupt Read More

The current domestic rotary drilling rig industry has entered a mature stage of top concentration and clear echelon, with a CR3 concentration rate of over 69%. Sany Heavy Industry and XCMG Machinery remain in the first echelon, forming a leading pattern, followed closely by enterprises such as Zooml Read More

The verticality of the hole formed by the rotary drilling rig directly affects the bearing capacity of the pile foundation and structural safety. During construction, hole deviation often occurs due to uneven geology, improper equipment posture, inappropriate drill tool combination, and incorrect op Read More