... proof ceramic knife; 2,Heathly,Hygince and anti corrosion; 3,ISO 9001 Certification; 4,No metallic taste Ceramic ... surface. Never rusts and will not taint food with metallic taste.Factory Advantages: ISO Certificate, Test ... air, express, etc.• The express companies we worked with are DHL, FedEx, UPS, TNT, and so on ... services to you. Thank you. 4 inch best sharp paring knife ceramic in 4 color box