OBM galvanized square hollow section

OEM galvanized square hollow section yuantaiderun(odm obm) orifice is flat, the outer&inner walls of the SHS are smooth

OBM galvanized square hollow section yuantaiderun orifice is flat, the outer and inner walls of the steel pipe are smooth

galvanized square hollow section mill yuantaiderun(oem odm obm).low cost,high quality,complete specifications,fast delivery.