Shirkadda ugu weyn: baosteel, taigang, birta anshan iyo dhalaalka birta, shagang, beerashada, nanyang han, xingcheng, yingkou, masteel, tangsteel, Wen Feng, PingGang iyo warshado kale oo waaweyn oo bir ah (guud: Q235A, Q235B, Q2535C Q2 Q235E), (daawaha hoose: Q345A, Q345B, Q345C Q345D, Q345E), (gitaarka birta kaarboon: 35 #, 45 #, 50 #), saxan (konteenar): Q345R, ( saxan kululeeyaha: Q245R), (birta, 65 mn, 40 cr, 42 crmo)