... } 2.washer ,flat washer, spring washer 3.passed ISO 9001,ISO Ts16949 4.color,length,diameter 1.punched products(carbon steel}2.washer ,flat washer, spring washer3 ... .passed ISO 9001,ISO Ts169494.color,length,diameterpunched products(washer ,flat washer, spring washer): They are formed by ...