... steel coils JIS G3312,CGCC,Colour coated steel coil,GI or GL base,thickness:0.14-2.0mm,Width: ... -550GDPrepainted steel coilsJIS G3312,CGCC,Colour coated steel coil,GI or GL base,thickness:0.14-2.0mm,Width: ... epoxy. 4) The Prepainted steel coil is produced by GI or GL and color-coated with the paint produced according ... building material field, steel tape and mainly other fields. PPGI