When did Air China acquire East Star Airlines for one yuan?

In 2009, Air China acquired East Star Airlines for one yuan. East Star Airlines and AVIC reached a restructuring intention agreement through negotiation. The final agreement was that AVIC acquired the equity of East Star Airlines 1 0,000% at a nominal price of RMB 1 Yuan, and at the same time assumed the debt of East Star Airlines of about RMB 450 million. Then, in the name of repaying the loan, it returned the loan of 65.438+0.4 billion yuan from East Star Airlines to East Star Group and its affiliated companies.