... competitive products of our company, welcome to contact with us Curtain side rail (truck and trailer parts) material: Aluminium alloyCurtain side ... door lock system, door hinge system, door retainer, PVC profile, tie down, winch, rear corner of body, roller, over cent buckle ... etc. All products can be used in semi-trailer, side curtain trailer, container, tipper etc. And we also can produce according ...