Name	the date of presenting the credential	the date of arrival
Pei Jianzhang	1979	1979.9
Yang Hushan	1985.3.9
Wang Houli	1989.8.14	1989.8.4
Qin Hongguo	1994.12.6	1994.11.12
Zhai Jun	1997.12.4	1997.12.1
Luo Xingwu	2000.8.22	2000.8.4
Huang Jiemin	2003.9.17	2003.9.13