It certainly *sounds* like this - and the whole thing sounds like it might relate to an NCND (Non-Circumvention Non-Disclosure Agreement).

"Non-Circumvention, Non-Disclosure Agreement (NCND)

A type of contract frequently requested by international brokers or middlemen in order to prevent buyers from going around the broker to deal directly with suppliers."
http://www.pbh.org.uk/InspectDocumentationGroup?__key=7

"Non-Circumvention: Each Party agrees not to directly or indirectly contact, deal with transact, or otherwise be involved with any corporation, partnership, proprietorships, trust, individuals, or other entities introduced by either Party without the specific written permission of the introducing Party."
http://www.export-forum.com/documentation/NCND.htm

"NON-CIRCUMVENTION, NON-DISCLOSURE & WORKING AGREEMENT (...)

PARTIES to this Agreement will **refrain from soliciting business and contracts from sources not their own which have been made available to them through this Agreement**, without the express permission of the party who made the original introduction, for a period of five years. In addition, all Parties to this Agreement, including Signatories Affiliates, Subsidiaries, Partners, and Agents will maintain complete confidentiality regarding Business Sources , and will only disclose such business sources under mutual agreement, and only after written permission has been received from the originator of the source."
http://www.goldandsilvermines.com/noncirc.htm