Use of wire drawing die. In the industrial production, the development of the die industry in China is still strong, especially the use efficiency of the die drawing die is very high. Because the drawing die has no other mold absolute advantage. There are many models and sizes of industrial machines, each of which has its own unique effect. The advantage of mould is that it can carve out countless identical products according to a model, which saves a lot of human labor and working time, and greatly improves working efficiency. Therefore, the appearance of mould really accelerates the pace of industrial production.