From December 12th to 15th, 2011, 2011 Annual conference of State Key Laboratory of Explosion Science and Technology and the International Workshop on Intensive Loading and Its Effects was held at International Education Communication Center of BIT (Beijing Institute of Technology). Under the invitation of Prof. Pengwan Chen, Prof. Kazuyuki Hokamoto of Kumamoto University attended the conference and gave an oral presentation entitled “Underwater Shock Wave for Explosive Welding and Other Application”.