hot galvanized square tube China factory yuantaiderun oem odm obm
hot galvanized square tube orifice is flat, the outer and inner walls of the steel pipe are smooth
Model:hfw-yt-053
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hot galvanized square tube orifice is flat, the outer and inner walls of the steel pipe are smooth
Model:hfw-yt-053
2"square tube China factory Tianjin YuantaiDerun refers to steel pipes whose surface has not been galvanized painted,oiled,etc.
Model:hfw-yt-130