... 1.Door: outside door as SIP door with steel frame, aluminium alloy door or security ... aluminium alloy with window screen, size: 1740mm*925mm 3.Ground chanel:C type,painted,thickness is ... type steel column:painted,C type steel back to back welded5.Roof beam:with painted,trussed beam6. ... Purline:angle iron type with painted7.Compression decorative parts: ...