When people talk about Southeast Asia, they usually think about tropical beaches and dense cities. Contractors...

In the realm of deep‑foundation construction and rotary piling operations, the Kelly bar (also commonly...

Summary:To serve global foundation contractors faster and with greater certainty, JM (Xuzhou Jiuman Machinery...

Leaders from a rotary drilling rig training institute visited Xuzhou Jiuman Machinery Technology Co.,...

Recently, customer representatives from a well-known engineering enterprise in Bangladesh traveled a...

In 2025, Xuzhou JiuMan Machinery Technology Co., Ltd. reached the important milestone of its 10th anniversary....

Outer Section Replacement & Pressure-Plate Upgrade for a JS406-4×15 m Interlocking Kelly Bar June...

In May 2025, the 4th Changsha International Construction Machinery Exhibition was grandly opened. As...

A good Kelly bar does two things on site: it locks cleanly and it telescopes smoothly. Those behaviors...

Matching Rigs, Kelly Bars, and Tools to Real Ground—From Loose Sands to Dense Sandstone Contractors don’t...