From 1985 to 1996, China provided Iran with civil nuclear technology and machinery, assistance in uranium exploration and mining, training for nuclear engineers, and instruction on the use of lasers for uranium enrichment.

FORBES: The Most Important Energy Developments Of 2012

The massive transfer of goods and equipment once under the exclusive control of national armies into private hands released into the market products ranging from rocket launchers to SCUD missiles and nuclear designs and machinery.

NPR: Tracking the World's Black Market: 'Illicit'