Import 25 U Steel Arch - Zxsteel Froup — Buy in Bulk from Supplier in China

The 25 U steel arch is a passive support system for underground coal mine tunnels, manufactured by Henan Zongxiang Heavy Industry Import And Export Co, .ltd. in Henan Province, China. The profile uses 20Mnk alloy steel with a section height of 110 mm, wall thickness of 17 mm, and linear weight of 24.76 kg/m. The annual production capacity reaches 103,300 tonnes. Surface treatment is acid pickling after hot-rolling, which removes mill scale and prepares the steel for underground installation.

20Mnk is a low-alloy structural steel with manganese enhancement that delivers elevated tensile and compressive strength together with the toughness needed to absorb ground movement in mining environments. The U-shaped profile distributes roof pressure into the surrounding rock through passive resistance. Hot-rolling forms the section at elevated temperature, preserving grain structure, while acid pickling cleans the surface of oxidation products. Standard mine support practice pairs these arches with lagging, mesh, or shotcrete depending on ground conditions.

This arch system is purchased by coal mining operators, tunnel engineering contractors, and mine equipment distributors for roadway and gallery reinforcement. The 25U designation refers to a specific Chinese mining standard profile series. Buyers should confirm bending radius capability, joint coupling details, and any third-party mechanical testing with the supplier directly. Container or break-bulk shipment from Zhengzhou, Henan, is standard.

Henan Zongxiang Heavy Industry Import And Export Co, .ltd. is based on Hanghai Road in Guanzhenghuizu District, Zhengzhou, Henan Province, China. The company holds a Harbor trust tier on the platform, with a response rate currently showing 0.00 percent and no recorded average response hours. This profile does not disclose years in operation, factory size, employee count, or revenue figures, and no certifications are listed. The supplier's stated specialisation is in mining support products, specifically U-steel arches for coal industry applications.

The listing provides production volume data (103,300 tonnes) and detailed product dimensions, suggesting direct manufacturing rather than pure trading. Buyers should verify factory audit status, quality management system certification (such as ISO 9001), and any mining equipment safety approvals before placing orders. The absence of response history means proactive communication testing is advisable. No client references, export destinations, or case studies are present in the source material.