steel beam tunnel and mine steel support

steel beam tunnel and mine steel support

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Steel Arch Accessories. These accessories can be useful during the use of B.Zero Tondo™ steel arches. Beam Bags are bags of non-woven geotextile, inserted between the tunnel excavation and the steel arch and filled with grout or mortar to quickly load the tubular ribs. Bag Lining is an innovative horizontal rib with a bag inside. The bag is ...

About us

HR Steel Structure Co., Ltd was established on 2000. It is a specialized engineering company integrating building structure reinforcement, decoration and steel structure engineering.We have cultivated a group of high-quality professional technicians and on-site installation team, we will do the best of our ability to provide the most scientific, reasonable and effective solutions for customers.