1) Material: aluminum based alloy or copper based alloy2) Good resistance to corrosion3) Nickel plating before three-unit plating to protect three-unit plating from being dissolved or distortion and make bearing more endurable andwearable4) The three-unit plating can't be erased5) Plating, size and other performance reach OE standard6) General brands of vehicle that our products are suitable for: Audi, Bedford, BMW, Bulck, Citren, Cummins, Komatsu, Daewoo, DAF, Fiat, Hino, Honda, Hyundai,Deutz, Isuzu, KIA, Leyland, Man, Mazda, Mercedes, Benz, Iveco, Mitsubishi,Nissan, Opel, Peugeot, Renault, Suzuki, Toyota, Volvo, PerkinsOuter packing:Cartons