Brake drum which is could be top 1 fast repair part in drum brake system. in global aftermarket, especially in North America, this product with volume needs for repaclement. China is top 1 source for brake drum, then Turkey, India and Mexico, India. Hangzhou FleetPro represent China rerecongnized manufacturers wholesel their drums and provides extensive OE. or Part Numbers for applications: FUWA, BPW, SAF, ROR, Mercedes-Benz, MAN, Volvo, Scania, Renault, DAF, Kenworth, MACK, International, FORD, Freightliner, Peterbilt, Hino. and FleetPro concentrate on American high-way, off-way transportations. drum diameter from 380mm to 420mm. material usually : GG25 or HT250, grey casting iron.