... A500 HOLLOW SECTION Size: 10x10to500x500mm x 0.2to40mm Material: Q195,Q215,Q235 Length ... 1/2, 3/4,1.1-1/4,1-1/2,2.2-1/2,3,4,5,6,7,8,9,10,11,12,14,16 4Thickness(mm):0.2-40mm 5Length: 0.5 ... has been all over the country more than 20 provinces, municipalities and autonomous regions, and have been ... 611.1394.5540016406.412.70123.30 Tianjin sunlight import and export trading company is big stated own ...