Silicon nitride ceramics have many advantages that metal materials and polymer materials do not have, such as high temperature resistance (bending strength above 350MPa at 1200 ℃), acid and alkali corrosion resistance, self-lubrication and so on. Sil
According to statistics from China Chemical and Physical Power Supply Industry Association， Chinas export volume and export value of lithium-ion batteries have continued to increase. In 2021, Chinas exports of lithium-ion batteries were 3.428 billi
Russias insistence on paying for Russian gas in rubles has rattled European countries: Greece held an emergency meeting of suppliers, the Dutch government would urge consumers to use less gas, and the French energy regulator told consumers not t
According to statistics from China Chemical and Physical Power Supply Industry Association， Chinas export volume and export value of lithium-ion batteries have continued to increase. In 2021, Chinas exports of lithium-ion batteries were 3.428 billi