Because the manufacturing industry includes: product manufacturing, design, raw material procurement, warehousing and transportation, order processing, wholesale operation and retail. Enterprises (units) mainly engaged in product manufacturing assemble and install machinery and equipment for product sales. And punch processing belongs to the category of mechanical processing, so the manufacturing industry.

Manufacturing refers to industries where manufacturing resources (materials, energy, equipment, tools, capital, technology, information and manpower, etc.) are concentrated. According to the market demand, it is transformed into large tools, industrial products and consumer goods that can be used and utilized by people through the manufacturing process.

Manufacturing industry directly reflects a country's productivity level and is an important factor to distinguish developing countries from developed countries. Manufacturing occupies an important share in the national economy of developed countries in the world.

Stamping production is mainly aimed at sheet metal. Blanking, punching, forming, stretching, trimming, fine punching, shaping, riveting and extruding parts can be made through the die, which is widely used in various fields. For example, we use switch sockets, cups, cabinets, plates, computer cases, and even missile planes ... there are many accessories that can be produced by punching machines through molds.