Introduction to Graphite Electrodes
Graphite electrode is mainly made of petroleum coke and needle coke as raw materials, coal tar pitch is used as a binder, and it is made by calcination, batchin...
In 2019, international trade frictions continued, and the world economy changed greatly. Under such an environmental background, the development of the domestic aluminum industry also fluctuated. T...
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Etching of Poly and SiO2:
After this, the excess Poly and SiO2 are etched away, that is,...
LONDON, April 9, 2020 /PRNewswire/ — Rise in outbreak of airborne diseases contributed to the growth of the masks market. Airborne transmission of infectious agents refers to the transmission...