1. The International Marketing Conference held in Dec 1993.

2. The Second Annual Conference on "the administrative leaderships in the 21st century" held in Dec 1995

3. The Second Annual Scientific Meeting of the Cement Sector Entitled "The Problems Resulted from the Structural Changes in the cement Industry in the Light of the Market Mechanism Transformation and Their Solutions" held in May 2004

4. The Second International Conference on "Decentralization and Local Governance'