Pilots from Bulgaria annually do crop dusting to assist Sudan's cotton farms.

[3] Between 1997 and 1999, the Bulgarian consortium Balkan constructed roads in Sudan, and negotiations were made in 2002 to settle the remaining $1.3 million in debts owed.

[6] In 2000, Sudan and Bulgaria signed an agreement of several hundred million dollars for the export of Bulgarian weapons and military equipment to the Sudan, including mobile missile launch pads and shoulder-held anti-tank missiles.

[7] In 2002, the manufacturer Beta, located in Cherven Bryag, had begun the export of 122mm self-propelling cannons to the Sudan, and continued to do so after the United Nations imposed an embargo upon military trade by member nations to Sudan.

Beta managed to export goods worth half a billion US dollars until the violations were exposed in 2003.