Trending
E-mail:brad@ihpa.net
Telephone:0086-0379-64280201
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…
Molybdenum disulfide is a solid powder made from natural molybdenum concentrate powder, which is the modern…
Koalas were declared endangered in eastern Australia on Friday, with more and more koalas dying from disease, habitat loss, and other threats. Earlier, the koala was considered a vulnerable species, and the Commonwealth Department of the Environment…
We hate spam as much as you do