... machine,Roof & wall forming machine,Octagon tube machine,Guardrail forming machine,Tile roof forming machine,Door frame forming machine,Down pipe forming machine,Slitting line,Sandwich panel line,Floor decking forming machine,Cable tray forming machine ... : At lest 18 groups(depend on final design) - Machine dimension: depend on final designWorking Flow:Decoiling--Feeding--Guiding--Roll forming--Cut ...