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Shandong Hezhong Curtain side trailer combines the advantages of a flatbed with the covering and containment benefits of an enclosed trailer. Consisting of durable yet flexible PVC-coated vinyl side curtains which can be retracted from either the front or rear of the trailer, and van-style swinging rear doors, a curtain side totally encloses the load for weatherproof protection and security. Curtain siders are widely used for the hauling of the goods from expensive automobiles to raw lumber, to delicate manufacturing components.