1) Material: aluminum based alloy or copper based alloy 2) Good resistance to corrosion 3) Nickel plating before three-unit plating to protect the three-unit plating frombeing dissolved or distortion, and make the bearing more endurable and wearable 4) The three-unit plating can't be erased 5) Plating, size and other performance reach OE standard 6) General brands of vehicle that our products 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, Perkins Outer packing: Carton or as requested producing area:China payment:T/T, L/C, D/P