1. Casting Parts. 2. Casting methods: Sand casting, Pressure casting, lost wax casting... 1. Casting Parts.2. Casting methods: Sand casting, Pressure casting, lost wax casting...3. Materials: Grey iron, ductile cast iron, Malleable iron4. Excellent Quality Control, Good Price. Fast Delivery! Rear Draft used for railway&transport&railway tank,hopper,flat,wagon&train&freight transport