This issue reveals the hardware manufacturing process recognized as a green process: powder metallurgy.

Powder metallurgy is a process of manufacturing various types of products by forming and sintering metal powder or its mixture as raw materials. At present, powder metallurgy is widely used in mechanical processing, drilling, electrical appliances, mechanical automobiles and other fields. The powder metallurgy process is also one of the most widely used processes in the industrial field.

The development of China's science and technology has made our daily necessities more and more localized. Let us praise China's science and technology. Everyone is welcome to comment! We will continue next time!