Stainless steel and aluminum alloy doors and windows which is better?
Certainly aluminum doors and windows, and stainless steel welding will be rusty, and the cost of stainless steel is also high, you can try the new aluminum aluminum doors and windows, listen to practical, but also durable.
These two are not very good, and now the new is the broken bridge aluminum,
Stainless steel is not good aluminum alloy, aluminum alloy light, use a long time, stainless steel life without high aluminum alloy.
