HPEG 2400 Polycarboxylate Superplasticizer Monomer
HPEG is mainly used in the production of polycarboxylic acid superplasticizer products.…
HPEG is mainly used in the production of polycarboxylic acid superplasticizer products.…
Silicon nitride is a compound of silicon and nitrogen. Si3n4 is the most thermodynamic stable in silicon nitride.…
The recent visit by US House Speaker Nancy Pelosi has boosted US-Taiwan relations at a time of increasing tension between Washington and Beijing. She vowed that the United States would protect Taiwan's democratic autonomy. "The United States is still…
China's oil prices are expected to rise for the fourth consecutive year after hitting an eight-year high On March 2, the international oil price rose sharply due to the situation between Russia and Ukraine and other factors. The main bre…