Aluminum base is used in motor car braking systems,The brake fluid can not leak out through the ... aluminum alloy Aluminum base is used in motor car braking systems,The brake fluid can not leak out through the casting ... types of molds die castings, sand and permanent mold casting Software for drawing: pro/E, auto CAD, UG, CAD, PDF ... /month Aluminum base is used in motor car braking systems(ISO9001:2000)