NATIONAL ROLL KOTE (NRK) MANUFACTURES POLYURETHANE AND RUBBER ROLL COVERINGS FOR THE FOLLOWING INDUSTRIES. WE ALSO REPAIR ROLLS, GRIND, GROOVE, BALANCE AND FABRICATE ROLLS COMPLETE 55 Harbor View Dr, New Castle, DE 19720 Phone: (302)421-9400 / (800) 992-5683 Fax: (302)421-9477