OEM square hollow section Tianjin YuantaiDerun
OEM square hollow section Tianjin YuantaiDerun orifice is flat, the outer and inner walls of the SHS are smooth
Model:hfw-yt-080
OEM square hollow section Tianjin YuantaiDerun orifice is flat, the outer and inner walls of the SHS are smooth
Model:hfw-yt-080
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