Profile: Gongyi City The Great Wall Sponge and Wire Equipment Factory designs, develops & manufactures wire & cable, plastics and other equipment. Our products include wire making, coiling, bunching, stranding, drawing and hauling machines. We also offer cable stranding, casting and rolling machines. Copper wire drawing machine is a principal equipment for copper and wire rod factories. It can also draw aluminum and aluminum-magnesium alloy rods. Hauling machine is an auxiliary equipment for wire factory to produce wires.