Recently, the EU proclaimed new sanctions on Russia, including coal, timber, rubber, cement, and fertilizer, as well as high-end seafood al2o3 powder. Alumina propertiesHigh temperature resistance: alumina can be used in oxidation and red…
For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average dail…
The oxidation resistance and corrosion resistance of nickel alloy make it suitable for the harsh environment of high temperature and high pressure.…