Profile: Qingdao Evergreen Maritime Co.,Ltdprovides specialized marine fendering solution for ship-to-port operation, and ship-to-ship operation in the port, inshore, and marine industries. We are ISO 9001 certified. Our products include fixed fenders system, tug & workboat fenders, pneumatic rubber fenders, foam filled marine fenders, and accessories. Roller fenders are commonly used on the berth corners and dock entrances, & are also widely installed along the walls of dry docks and other restricted channels to help guide vessels and prevent hull damage. The wheel is mounted on a fixed axle supported by a special frame. The wheel can be rotated freely when the ship's hull contacts / slides along with the wheels. Roller fenders combine reasonable energy absorption with low reaction at all berthing angles. Cylindrical tugboat rubber fenders are widely used for the primary fendering system on the bow or stern of most of tugboats and push boats. Straight cylindrical type and tapered ends type are available. Its round shape is flexible for ship-to-ship operation with different type of vessels. The maximum length can be up to 20m with the joined plug. It is fixed by one longitudinal chain through the center of the fender. Canvas straps or chains also are used to supplement the grooves.