... alloy 2)Standard:GB 5237-2008 3)high-quality Aluminium Extrusion Profile For Radiator 1)Alloy No.:6005,6060,6061,6063, ... profile, curtain wall profile, building roofing profile, finned tube profile, general profile and others6)Certificates:ISO 9001:20087)Standard: GB5237-2008 .8)Equipments: 1,Extrusion ... , string, woden case,or according to customers' need. aluminium industrial profile for radiator