... reliable quality 3/ elegant design. 5/ 5-year guarantee die-casting Aluminum radiators, As a durable houseland heating equipment, solid quality ... standard LD31(6063) aluminum alloy, 10 sets of 800T die-casting equipments from Germany. which ensure our timely deelievery in busy ... aluminium alloy, density: 2.7%, which is better than die-casting aluminiu with density is 2.2%. Finishing: Powder sprayed Hot ...