Lithium nitride is a metal nitrogen compound with a molecular formula of Li3N. It is a purple or red crystalline solid with a light green luster in reflected light and a ruby color in transmitted light.

Silicon carbide is also found in nature in a rare mineral, moissanite. In C, N, B and other non-oxide high-tech refractory raw materials, silicon carbide is the most widely used, the most economical one, can be called gold steel sand or refractory sand.

Cuprous oxide, the chemical formula is Cu2O, is monovalent copper oxide, a bright red powder solid, almost insoluble in water, in acidic solution disproportionation into copper and copper elemental, in the wet air gradually oxidized into black copper oxid

Lithium sulfide is a white to yellow crystal. It is easy to absorb moisture in the air and is easy to be oxidized. It needs to be stored in an inert atmosphere.

Quartz is one of the most important minerals available on the earth's surface. Quartz Powder can be used for mutiple industrial works.

Gallium nitride is an inorganic substance with the chemical formula GaN. It is a compound of nitrogen and gallium. Gallium nitride is a direct bandgap semiconductor and has been commonly used in light-emitting diodes since 1990.

The single compound with the highest melting point on Earth is hafnium carbide, which has a melting point of 3890 degrees Celsius.

Titanium carbide is used in the preparation of cermets, which are frequently used to machine steel materials at high cutting speed.

Nanoparticles are now being used in the manufacture of scratchproof eyeglasses, crack- resistant paints, anti-graffiti coatings for walls, transparent sunscreens, stain-repellent fabrics, self-cleaning windows and ceramic coatings for solar cells.

PTFE can be widely used in various solvent-based coatings and powder coatings: plastic coatings, wood paint, coil coatings, light-curable coatings, paints and other additives in products to improve its mold release performance, surface scratch resistance,