Dear Friends, People celebrate 2020 Spring Festival all over China. The Lunar New Year is officially here. To celebrate it, diffe...

Polyether defoamer has been rapidly developed since it was first put into operation by Wyandott in the United States in 1954. The...

Petroleum is listed as one of the non-renewable energy sources, so everyone is very cautious about the refining of oil. We all kn...

Adhesive, a kind of material that firmly bonds all kinds of materials by interfacial action, can also be called "adhesives...