... Extrusion equipment line. 3.CE,ISO JIS Rectangular Tube 1. STANDARD:GB/T3094-2000, GB/T6728-2002, ASTM A500, JIS G 3466, DIN EN ... 10210, GB/T178-20052. MATERIAL:Q195, Q215, Q235, Q275, Q345, 20#, 45 ... ASTM A500, JIS G 3466, DIN EN10210, GB/T178-2005, GB/T 3094-2000 and GB/T6728-2002.Our products in different sizes, and ...