"...Not every country in the world owns its own mint or bank note printing facility. For this reason the contracts through which nations without these facilities get their coins and bank notes are lucrative and sought competitively by both government owned and private mints and security printing establishments.
Among the competitors is Note Printing Australia, a government owned agency that is on the cutting edge of technology, printing polymer or plastic bank notes for Australia and other nations. According to the May 26 issue of The Age newspaper, something is amiss regarding a contract to print polymer bank notes for Vietnam."
more at http://tinyurl.com/kt44nt