H-beam is made from plywood and spruce timber.It's used for construction concrete. Shangdong ... , cantilever formwok system, single formwork system,aluminium alloy formwork aystem and so on, we had got the “Chinese Famous Trademark”, ... Chile, Venezuela, Libya, UAE, Saudi Arabia, Korea, Indonesia, Vietnam, Thailand and so on.H-BEAMFlange girth:Spruce from FinlandSternum:27mm plywoodWATERPROOFSPRUCE ...