What are the rare metal hardware handles science?
hardware handles science of rare metal now Pi lithium, titanium, laser, etc.
basically rare metal is mainly used in the manufacture of special steel, hard alloy and corrosion resistance, high temperature alloy in the electrical industry, chemical industry, ceramic industry, atomic energy industry and rocket technology.
the name of the rare metal has a certain relativity, as people the extensive study of rare metals, new source and discovery of new refining methods and their application scope expands, rare metal and other metal line will gradually disappear, if some rare metal content in the earth's crust than copper, mercury, cadmium and other metal.
this is the introduction of hardware handles science of rare metal.