Die casting consists of three elements: alloy, the raw material, a die casting machine and die. It is a process to inject molten alloy (melt) into the die under high pressure, which is said to be the shortest one from the raw material to the product.
On the die casting machine two die halves, fixed and movable, are mounted; when the injected melt solidifies quickly, the movable die opens and the casting is taken out.
    Since it enables a mass production of complex-configuration parts, having 1) precise dimension, 2) accurate finish, 3) fine surface and 4) excellent strength; its merit is highly evaluated, playing an important role in the metal processing industry.