HRB400 hot rolled rebar steel 1Grade:HRB335,HRB400 2Diameter:6,12,14,16, ... Our main products are H beam steel, angle steel, round steel, steel billet, strip steel, gear steel, twisted steel, channel steel, etc. All these products are manufactured ... by Laiwu Steel Group.Mrs,LiTelephone:86-0634-6461612,13054836377Mobile Phone: 13963400909Fax: 86-0634-6461613 HRB400 hot rolled rebar steel