square hollow section China

Mild steel box section, also referred to as mild steel hollow section or ERW tube, comes in either square box format

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

OBM square hollow section orifice is flat, the outer and inner walls of the steel pipe are smooth,also accept oem odm

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

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