Copper is the first metal to be refined from ore by smelting. This is because copper has a lower melting point than iron, and the smelting process was developed around 7,000 years ago.

Currently, more than 99 percent of hydrogen peroxide is produced by energy-intensive, polluting sources.

Hydrogen-rich water porcelain adopts micro-pore sustained release technology to achieve the purpose of long-term hydrogen production.

Holmium oxide, also known as holmium trioxide, has the chemical formula Ho2O3. Holmium oxide is a compound composed of rare earth element holmium and oxygen.

There is a crystal in nature, It is as mysterious as the pyramids of the Pharaohs of Egypt, and as gorgeous as material from another world.

Silver is an ancient antibacterial material. In ancient times, the Ancient Egyptians covered wounds with silver to prevent bacterial infections. More than a thousand years ago, Mongolian herdsmen knew to use silver vessels to keep milk from going bad.

Scandium oxide is one of the more important products in scandium products. Its physical and chemical properties are similar to those of rare earth oxides, so the production methods are also very similar.

Silver has been used as an antiseptic for more than a thousand years. It is a popular antibiotic in folk medicine, from treating bacterial and fungal infections to preventing milk from spoiling.

The chemical formula of yttrium oxide powder is Y2O3. The surface is white and slightly yellowish powder. This substance is insoluble in water and alkali, but soluble in acid.

Nanotechnology is also easy to understand. In simple terms, it is a technology that USES individual atoms and molecules as building blocks to build materials.