JOESCO Bastion also known as water retaining wall water retaining wall is a new type of flood control products, suitable for rigid dam heightening, prevent overflow.Box of flood control wall is an important industrial and mining enterprises, guarantee town and along the rivers and coastal areas (part of the seawall) of the flood control safety, or other special requirements in a concrete or masonry water retaining structure, is also called the flood prevention wall.The role of the same as the dike JOESCO flood control wall.Because the city along the Yangtze river with traffic arteries and complex dense, sometimes because of the limitation of existing engineering, or because of the needs of the development of urban planning, or, for lack of soil source had to adopt JOESCO flood control wall, in order to reduce and demolition.