ਰੋਜ਼ਾਨਾ ਪੁਰਾਲੇਖ: ਨਵੰਬਰ 12, 2019

Cemented carbide has the edge of high hardness, good wear resistance, corrosion resistance and a small coefficient of thermal expansion. It is widely used in the manufacture of precision molds such as optical glass forming, metal drawing, and wear-resistant and corrosion-resistant…