Tangshan Donghua Iron and Steel Enterprise Group Co., Ltd.has Φ5.5-50mm full range of rebar production qualification, can produce HRB400, HRB400E, HRB500, HRB500E, HRB600, RRB700, PSB830 and other Φ5.5-50mm full range of high-strength seismic rebar, hot rolling 0.8-12.5 mm X 900-1350 mm strip and sheet.