The English abbreviation of nylon is PA, and the Chinese full name is polyamide. There are many type...
Automotive connectors are a component that electronic engineering technicians often touch. Its funct...
Zinc alloy is an alloy composed of other elements based on zinc. The alloying elements that are ofte...
A shaft is basically the rotating part of any machine with a circular cross-section that is used to ...
Die forging is a method of forming on a forging die developed on the basis of free forging and die f...