rhodium

Rhodium is a metal with high hardness and light reflection, does not corrode and oxidize, and is often used in exhaust gas neutralizers.

Below is a list of the most expensive materials in the world, please consult.

We often think that gold and diamonds are the most expensive things. But not so, there are many precious and expensive materials on the earth, thousands of times more expensive

Metals and gemstones are beyond value and common uses can also be used for many other unexpected purposes.

On January 20, Japanese scientists successfully developed a method of converting carbon dioxide into a new carbon source.