... parts), is our most competitive products of our company Fasteners adjustable with a movable hook (truck and trailer parts) material: SteelFasteners ... Japan. Our main products: Reflective material, door seal, marker light, roll-up door, door lock system, side board door lock system ... , winch, rear corner of body, roller, over cent buckle, fittings, roll up doors etc. All products can be used in semi ...