ODM 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-023
square hollow section, the orifice is flat, the outer and inner walls of sections are smooth, and the welds are tight.
Model:hfw-yt-023
hot galvanized square tube orifice is flat, the outer and inner walls of the steel pipe are smooth
Model:hfw-yt-053
Square Tube factory YuantaiDerun(accept oem obm odm), low cost,high quality,complete specifications,fast delivery.
Model:hfw-yt-129
galvanized square tube yuantaiderun(oem odm obm). its advantage is low cost,high quality,complete specifications,fast delivery.
Model:hfw-yt-133