CHEM has been focusing on the R&D, production and sales of acetylenic diol series water-based coating additives since 2000. CHEM offers a broad product range and strong technical support for coatings, inks and adhesives. Our portfolio includes high performance surfactants, antifoams and other additives. We improve key functions such as substrate wetting, foam control and pigment dispersion. The factory has passed ISO9001, with an annual production capacity of 8,000 tons of additives.