A Hot dipped gal. steel tubes 1) size 1/2”*1mm to 6”*7 mm 2) could be threaded and socketed 3) daily production is 500 tons B pre-galvanized steel tube, 1) size: 15*15mm to 60*60mm, 2) zinc coated 120g/m2 C Round tube: 1) diameter 10-164mm 2) thickness: 0.5-25mm 3) material ,GB Q195-235 4) yearly production capacity: 100, 000 tons/ year D square tube: 1) size: 10*10mm to 400*400mm, 2) thickness: 0.5-25mm 3) material: GB Q195-235 4) yearly production capacity: 100, 000 tons/ year E Rectangular steel tube: 1) size: 8*16mm to 200*400mm 2) thickness: 0.5-25mm 3) material: GB Q195-235 4) yearly production capacity: 100, 000 tons/ year F CR strips 1) width: 40mm-500mm 2) thickness: 0.3-1.8mm 3) material: GB Q195-235 4) steel strip: 60,000 tons/year