Copper is one of the earliest metals used by humans. As early as prehistoric times, people began to mine open-pit copper mines and use the obtained copper to make weapons, tools and other utensils. The use of copper had a profound impact on the progress of early human civilization. Copper is a metal found in the earth’s crust and oceans. The content of copper in the earth’s crust is about 0.01%, and in individual copper deposits, the content of copper can reach 3% to 5%. Most of the copper in nature exists as a compound, that is, copper ore.

The copper wire recycling machine is a machine used to smash waste copper wires and separate copper from plastics. Because the separated copper is like rice grains.