... heating equipment, solid quality is the most important for customers/users, and standard/better aluminum material guarantee good quality ... aluminum alloy, it's density is 2.7%, which is much better than die-casting aluminium whose density is 2.2%., moreover, more ... aluminium alloy, density: 2.7%, which is better than die-casting aluminiu with density is 2.2%. Finishing: Powder sprayed Hot origin: ...