The Beijing Vibroflotation Engineering Company has undertaken and completed the vibroflotation construction in three pre advancement sections of the second stage cofferdam of Three Gorges Project.

• 北京振冲工程公司担负并完成了三峡工程二期围堰右上、右下、左下3个预进占段水下抛填风化砂体的振冲加密施工任务。