hollow section factory

The wall thickness of black square hollow section is allowed to deviate.

square hollow section, the orifice is flat, the outer and inner walls of sections are smooth, and the welds are tight.

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

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

galvanized hollow sections factory YuantaiDerun(oem obm odm) orifice is flat, the outer&inner walls of the pipe are smooth

ODM square hollow section yuantaiderun(OEM OBM) orifice is flat, the outer and inner walls of the steel pipe are smooth

Square steel hollow section yuantai(oem obm odm)low cost,factory direct supply,fast delivery,high quality

square steel hollow section factory yuantaiderun,its advantage is low cost,high quality,complete specifications,fast delivery.

Square steel hollow section factory Yuantaiderun. its advantage is low cost,high quality,complete specifications,fast delivery

rectangular hollow section China yuantaiderun(factory direct supply),High quality and low price.

hot galvanized rectangular hollow section factory yuantaiderun(oem obm odm),High quality and low price.

China galvanized rectangular hollow section factory yuantaiderun,its advantage is High quality and low price.

round steel hollow section factory yuantaiderun,its advantage is low cost,high quality,complete specifications,fast delivery.

galvanized round steel hollow section China factory yuantaiderun,low cost,high quality,fast delivery.