Natural sand: What is it and what is it used in?

Recently, US President Joe Biden concluded his first visit to the Middle East since taking office. During the visit, Biden said that the United States will be an active partner in the Middle East for a long time, but Middle East leaders have not clea…

More>>

Related news

More>>

Is silicon nitride a ceramic?

Silicon nitride ceramic materials have excellent properties such as high thermal stability, strong oxidation resistance, and high dimensional accuracy.…

More>>
More>>
0086-0379-64280201 brad@ihpa.net skype whatsapp