1.Different Treatment: Phosphated, Nitrided, Chrome plated. 2.Quality certificates:ISO/TS16949:2009 3.Min quality:1000sets

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3)material:nodular iron,cast iron,steel,alloy,and etc(we can do as customer's request)4)surface treatment:polishing,plating,oxidation,phosphating,and etc(we can do as customer's request)5)packing:as customer's request6)prduct advantage:reduce fuel consumption

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