Aluminum manganese sheet metal represents 3003, 3004, 3005, 3104, 3105 mainly. It can also be called rust-proof aluminum plate. 3000 series aluminum sheets have a better production process, they are made of manganese element as the main component, the content is between 1.0-1.5%, it is a series with better anti-rust function. Routinely used in air conditioners, refrigerators, underneath cars and other wet environments, the price is.. read more →