With the continuous development trend of the die-casting industry, my country has become one of the major die-casting products producers and consumers around the world. Overall, my country's die casting industry is a perfectly competitive industry, with a low market concentration and no die casting production companies occupying a significant market share. With the continuous development of die-casting technology, precision die-casting products are favored by many manufacturing companies for their thin walls, complex shapes, fine sizes, and smooth surfaces. Die-casting parts are widely used in many industries of the national economy such as automobiles, motorcycles, machine tools, home appliances, aviation, and machinery.