HRB500 deformed steel rebar size 1Grade:HRB335,HRB400 2Diameter:6,12,14,16,18, ... ,22,28,32,40 3Length:6-12 4brand:Laigang HRB500 deformed steel rebar size1Grade:HRB335,HRB4002Diameter:6,12,14,16,18,20,22 ... these products are manufactured by Laiwu Steel Group.Mrs,LiTelephone:86-0634-6461612,13054836377Mobile Phone: 13963400909Fax: 86-0634-6461613 HRB500 deformed steel rebar size