Hot dip galvanized hollow section obm

hot dip galvanized hollow section yuantaiderun(accept oem odm obm) orifice is flat, the outer&inner walls of SHS are smooth

Hot-dip galvanizing of cold-formed steel hollow section(OEM ODM OBM)low cost,high quality,complete specifications,fast delivery

Hot-dip galvanizing of cold-formed steel hollow sections(can oem obm odm),complete specifications,high quality,fast delivery.