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 new ground stabilization project in rugged terrain highlights the efficiency and reliability of SupAnchor's self drilling anchor bolt system, designed for complex geotechnical conditions.
SupAnchor introduces a stainless steel self-drilling hollow anchor, offering superior corrosion resistance and high load capacity for coastal, marine, and industrial geotechnical reinforcement projects.
SupAnchor's self drilling anchor system proves critical in stabilizing slopes and foundations on a major construction site, showcasing advanced geotechnical reinforcement technology.
SupAnchor introduces the SupShell Expansion Rock Bolt System, combining immediate anchorage, integrated grouting, and corrosion protection for tunneling, mining, and geotechnical reinforcement worldwide.
A recent infrastructure project utilized SupAnchor's self drilling anchor system to overcome difficult geology. The hollow bar anchor technology provided efficient ground stabilization, highlighting the company's role in geotechnical reinforcement.