2, September 12, 1989, Li Peng visited Avic Harbin Dongan Engine(Group) Corporation Ltd;
3, March 10, 1990, Jiang Zemin, Zou Jiahua visited Harbin Aircraft Manufacturing Corporation;
4, March 13, 1991, Jiang Zemin visited China Southern Airlines;
5, July 10, 1995, Liu Huaqing visited Avic Harbin Dongan Engine(Group) Corporation Ltd;
6, November 18, 1995, Li Peng visited Canghe Aircraft Manufacturing Corporation;
7, May 11, 1996, Liu Huaqing visited Canghe Aircraft Manufacturing Corporation;
8, June 5, 1996, Zhangzhe visited Harbin Aircraft Manufacturing Corporation;
9, January 11, 2000, Li Tieying visited Canghe Aircraft Manufacturing Corporation;
10, May 31, 2001, Jiang Zemin visited Canghe Aircraft Manufacturing Corporation;
11, July 20, 2001, Wei Jianxing visited Harbin Aircraft Manufacturing Corporation;
12, November 5, 2001, Wu Bangguo visited Harbin Aircraft Manufacturing Corporation;
13, August 14, 2005, Cao Gangchuan, Chen Bingde and Zhang Dingfa visited Canghe Aircraft Manufacturing Corporation;
14, August 20, 2005, Hu Jintao visited Canghe Aircraft Manufacturing Corporation;
15, September 10, 2005, Luogan visited Harbin Aviation Group Co., Ltd.
