
Mr. Jack Liu
Leave a messageMr. Jack Liu
Leave a messageChemicals are pure substances and mixtures of various elements, whether natural or artificial. According to the US Chemical Abstracts, there are as many as 7 million chemicals in the world, of which more than 100,000 have been listed as commodities, and more than 70,000 are frequently used. More than 1,000 new chemicals appear every year in the world. Kind.
Hot Products