Opening speech by Chen Yun, vice chairman of Eastern Dredging Association, chairman of China Dredging Association


Opening speech by Rasydan Alias, secretary general of Eastern Dredging Association


Opening speech by Xiong Xuebin, director of Changjiang Waterway Bureau and vice president of China Dredging Association


Opening speech by Ou Shunqing, deputy secretary general of Chongqing Municipality


Opening speech by Wang Jian, deputy director of the Construction and Management Division of the Ministry of Water Resources of China


Opening speech by Xu Guang, chief engineer of Ministry of Transport of the People's Republic of China


Opening Remarks by Zhou Xiangshu, chief engineer of Changjiang Waterway Bureau