ODM EN10219 S355NLH black square hollow section factory metal pipe square tube
square hollow section, the orifice is flat, the outer and inner walls of sections are smooth, and the welds are tight.
Model:hfw-yt-S355NLH metal pipe square
square hollow section, the orifice is flat, the outer and inner walls of sections are smooth, and the welds are tight.
Model:hfw-yt-S355NLH metal pipe square
ODM square hollow section yuantaiderun(OEM OBM) orifice is flat, the outer and inner walls of the steel pipe are smooth
Model:hfw-yt-081