C channel steel,different sizes c channel steelhot rolledcold bendedQ235with/without holegalvanized/not galvanizedoiled/not oiledour main ... ,ERW pipe2) I beam,H beam,IPEAA,IPE3) channel steel,U channel steel,C channel steel,Z section4) Angle steel,unequal angle steel5) Hot ... ,galvalume steel,corrugated steel sheet,GI,HDG,GL,GA,Tinplate 6) Prepainted steel sheets/coils--PPGI7) Cold rolled steel sheets/ ...