What is Round quartz powder?Speherical quartz powder describes amorphous Shi Ying powder product with spheroidal fragments as well as SiO2 as the main component. It is commonly made use of in sophisticated fields such as copper-clad laminate in massi…
The European Commission has submitted to member states a new draft of sanctions against Russia, including an oil embargo. Some member states that rely heavily on Russian energy sought exemptions. Western media reported that the European Commission d…
European Commission President Ursula von der Leyen recently called on India and other countries to support sanctions against Russia over the Ukraine incident. At The Raisina Dialogue forum, von der Leyen said, "We earnestly appeal to all members of t…
Spherical quartz powder, also known as spherical silica powder, refers to the amorphous quartz powder material in which a single particle is spherical and the main component is silica. It is mainly used for copper and epoxy plastic packaging in large…
Spherical quartz powder, also known as spherical silica powder, refers to the amorphous quartz powder material in which a single particle is spherical and the main component is silica. It is mainly used for copper and epoxy plastic packaging in large…
Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…