... LFGB,SGS 4. factory price,fast delivery 5. rust proof,eco-friendly,top quality 3pcs 4inch & 5inch & 6 inch ceramic knife set with ... resistance, alkali resistance, never rust, health environmental protection; keep food color, flavor, enjoy the flavor, do not have any reaction ... to food, real health products.Excellent performance: because of its extremely high density and bright the knife is not ...