... house, prefabricated home,sandwich panel, welded H steel,C/Z channel,corrugated steel sheet,etc.* Products&Service Scope:Design&Engineering ... elements(built-up welded H-section , hot-rolled H-section, channel, steel column, steel beam),standard frames, secondary framing, roof ... easy to ship b)Easy to build and rebuild c)Waterproof structure d)OEM/ODMprefabricated metal building Main application: ...