Marine rubber fender is usually used in the periphery of ships to reduce the collision intensity between the ship's side and the wharf collision and plays a buffer role. There are many types of products, such as large rubber components and small rubber blocks, etc. In the actual stiuation, due to different ship type, different environments, ship tonnage size and other factors, the choice of fender products is particularly important. How to choose a suitable project of fender products, not only for the use of the very high key but also for the cost accounting has great influence.