Trailer Axle, Trailer Jack, Trailer Brake manufacturer / supplier in China, offering Premium Cast Iron K35-a Ball Hitch Coupling - 3500kg Capacity, 50mm Tubular Drawbar, Knott K35-a Ball Hitch for a 3500kg Trailer with a 50mm Pipe Drawbar, Cast Iron, Heavy-Duty Cast Iron K27-B Ball Hitch Coupling - 2700kg Tubular Drawbar and so on.