Semi Trailer & Container Parts Truck Body Fittings manufactures semi trailer and container parts: twist locks, corner castings, rear door hinges, landing gear (support legs), wheel chocks and holders, and aluminium trailer legs. Built for container transport and semi-trailer fleets, available in forged steel and aluminium. Applications: container semi-trailers, flatbed trailers, box trailers. Need a quote? [Contact us] with your part name and quantity.