D fenders provide an exnt barrier against damage from all sizes and shapes of vessels.Fenders can be pre-curved,chamfered and drilled to aid installation at a relatively low cost and can also be cut to the length required.These fenders can be installed either into a channel or bolted directly to the quay wall.Shenghe Sinomarine will be pleased to provide competitive quotations for fixing bolts and bars etc,and can also recomment the most suitable fixing method .