In the engineering field, bolts and nuts are common connecting elements used to fix and connect various mechanical components. As a special seal, graphite bolts and nuts are made of graphite materi...
Meaning and principle of graphite boat
Meaning of graphite boat:
The graphite boat dish is a groove mold, which comprises a plurality of W-shaped two-way inclined grooves with opposite two gr...
Since the Industrial Revolution, global warming caused by the extensive use of fossil fuels has caused sea levels to rise and numerous animals and plants to become extinct. Environmentally friendly...
SIC coated stone grinding base has the characteristics of high temperature resistance, oxidation resistance, high purity, acid, alkali, salt and organic reagents, and stable physical and chemical f...
Seven European countries, led by Germany, submitted a written request to the European Commission to reject the EU’s green transport transition goals, reigniting a debate with France over nucl...