Wen Ma Highway (from Wen Chuan to Ma Er Kang), as an important passage for economy and life from mainland China to Tibet, the project is 174 km long, crossing mountains and rivers, bridges and tunnels are occupied 85% of the whole project, and the tunnel and slope reinforcement job is very complicated due to difficult stratum.
We put a large quantity of Self Drilling Hollow Bar R32N/18.5–4m in WenMa expressway construction. Our products have helped the contractor efficiently solve the anchoring problem when drilling into the loose rock and soil.Our reliable quality and supply provided much reliability and safety for the project.

A major infrastructure project in Europe utilizes SupAnchor's self drilling anchor system to overcome difficult geological conditions, ensuring stability and safety.
SupAnchor unveils corrosion-resistant SupFRP® GFRP Mesh with non-conductive, lightweight design, integrated with self drilling anchor system for tunneling, mining, and infrastructure repair.
SupAnchor's self drilling anchor system, a hollow bar anchor, successfully stabilizes a challenging slope on a major infrastructure project, demonstrating rapid installation and high performance in difficult ground conditions.
SupAnchor introduces a new GFRP self drilling anchor bolt that integrates drilling, grouting, and anchoring for efficient ground support in tunnels, slopes, and soft rock conditions.
SupAnchor's hollow bar anchor technology provides a reliable ground stabilization anchor system for a critical retaining wall project, enhancing geotechnical safety and efficiency.