Chemical Diversion. – The sale, distribution, supply or transport of legitimately imported, in-transit, manufactured or procured controlled precursors and essential chemicals, in diluted, mixtures or in concentrated form, to any person or entity engaged in the manufacture of any dangerous drug, and shall include packaging, repackaging, labeling, relabeling or concealment of such transaction through fraud, destruction of documents, fraudulent use of permits, misdeclaration, use of front companies or mail fraud.