Range of application: Hot rolled profile steel section steel 1.Building foundation pit support, Dockside wharf support, Retaining wall, Breakwater diversion dike bank, Piers sealing up cofferdam,Temporary Island base,Pipe ditch support, Municipal foundation excavation retaining and protection. 2.Glass curtain wall construction of high-rise buildings, steel frame of main structure of all kinds of curtain walls; Tunnels and other infrastructure under the city; Fixed devices with dynamic load bearing, such as crane track or mechanical equipment foundation, etc. Hot Rolled Clutch Bar Interlock Corner Section Steel 3.Non-road type construction machinery heavy duty steel ring special section. Application: loader, bulldozer, excavator, grader, roller, wide body car construction machinery steel ring.