042012-04

Notice of Annual General Meeting

042012-04

Proxy Form for use in the Annual General Meeting

042012-04

302012-03

Overseas Regulatory Announcement (The Announcement of JONHON Optronic’s 2011 annual report meeting on the internet )

302012-03

Overseas Regulatory Announcement(The results of AVIC Avionics' AGM)

282012-03

Overseas Regulatory Announcement (The 2011 Annual report of JONHON Optronic)

282012-03

Overseas Regulatory Announcement (The announcement of JONHON Optronic about the connected transactions, raise funds, governing rules and audit report)

282012-03

Overseas Regulatory Announcement (The 2011 Annual Report of Hongdu Aviation)

282012-03

Overseas Regulatory Announcement (The 2011 Annual Report of Hafei Aviation)

282012-03

Overseas Regulatory Announcement (The decision of Hafei Aviation’s Board meeting and meeting of Supervisory Committee, announcement of its connected transactions)