Powder metallurgy is a process technology for producing metal materials, composite materials, and various types of articles by forming metal powder or using metal powder (or a mixture of metal powder and non-metal powder) as a raw material, and forming a
Stamping is a form of cold stamping that is cut, bent, or molded into the finished shape and size of the mold by means of a power-hit material (metal or non-metal) of standard or special stamping equipment. Stamping can be roughly divided into several dif