Hwa Seng Resources (Hong Kong) Co., Limited
Chemical Products,Calcium Carbide,Pvc Resin,Caustic Soda Flake
Any chemical method used to change the composition or structure of a substance or to synthesize a new substance belongs to chemical production technology, that is, chemical technology. The resulting product is called a chemical or chemical product.Chemicals, pesticides, chemical reagents, dyes, etc. are Chemical Products.