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.

SupAnchor's self drilling anchor system deployed in a complex geotechnical project, showcasing advanced hollow bar anchor technology for secure ground stabilization and retaining wall support.
SUPANCHOR self-drilling anchor bars and accessories are being supplied for the Wiślane Quay reconstruction project at the Port of Gdańsk, Poland.
European slope project uses SupAnchor self drilling anchor system to stabilize fractured ground with simultaneous drilling and grouting.
SupAnchor's T thread self-drilling hollow anchor revolutionizes geotechnical reinforcement in challenging tunneling projects, delivering high load capacity, corrosion resistance, and rapid installation.
SupAnchor's self drilling anchor system successfully addressed challenging weathered rock conditions in a European highway slope stabilization project, demonstrating high efficiency and reliability.