Vinyl acetate monomer (VAM) is a chemical compound with the formula CH3COOCH=CH2. It is an important building block in the production of various polymers and resins, primarily polyvinyl acetate (PVAc), which is commonly used in adhesives, coatings, paints, and other applications.

VAM is a colorless liquid with a pungent odor. It polymerizes readily under the influence of heat, pressure, and certain catalysts to form polyvinyl acetate or other related polymers. Polyvinyl acetate has good adhesion properties and is used in a wide range of products, from wood glues to textile finishes.

In China, as in many other countries, VAM is produced in significant quantities to support industries that utilize its derivatives. The production process involves the reaction of acetic acid with acetylene or ethylene in the presence of a catalyst. China has a substantial chemical industry, and it's likely that VAM plays a role in various downstream applications within the country's manufacturing sector.