As an user,

You will want your products to be new, excellent in appearance, light and exquisite, and have the ultimate texture …

As a developer, 

You will want your products to be easy to process, non-flammable, non-rusting, non-magnetic, and heat-dissipating …

As the protector of the environment, 

You will want your products to be non-toxic, more durable, recyclable, and easy to reuse ...

Aluminum alloy is your best choice.