Guangzhou foreign economic relations & trade annual report 1999 Guangzhou foreign economic relations & trade annual report 1996 Guangzhou foreign economic relations & trade annual report 1998 Guangzhou foreign economic relations & trade annual report 2000 Guangzhou Foreign Economic Relations & Trade Annual Report 2002 Guangzhou Foreign Economic Relations & Trade Annual Report 2003 Guangzhou Foreign Economic Relations & Trade Annual Report 2004 Guangzhou Foreign Economic Relations & Trade Annual Report 2005 Guangzhou Foreign Economic Relations & Trade Annual Report 2006 GuangDong foreign economic relations & trade 50 years