galvanized square hollow section mill

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

ODM galvanized square hollow section mill yuantaiderun orifice is flat, the outer and inner walls of the steel pipe 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.