Zhangjiakou Caston Drill Tools Co., Ltd.

Zhangjiakou Caston Drill Tools Co., Ltd. is a member of the Caston Group. An extra large scaled drill tool manufacturer, our parent company supplies petroleum exploration tools, no-dig drill pipes and special mining drill tools. Our other sister companies and wholly funded subsidiaries include:
- Beijing Caston Drill Tools Co., Ltd.
- Nanjing Caston Drill Tools Co., Ltd
- Wuxi Caston Drill Tools Co., Ltd.
- Xuanhua Xiandai Excavating Machinery Co., Ltd.

Always keeping technical advantages, we own the most advanced pipe production line in China. Moreover, we were also the first importer of IF heat treatment production equipment in China. Using world-class technology, our hybrid 200 ton friction welding machinery can process drill pipes with outer diameters up to 200mm.

Meanwhile, our tube body upsetting technology has achieved the advanced level. By thickening the anti-extrusion molding of our pipe ends, we can thereby make the transition zone of internal and external upsetting re... [Details]