Ruyuan is a large-scale enterprise dedicated to the research and development, production, and sales of building functional chemical additives which professionally majors in research, production and sales of redispersible polymer powder, cellulose, polycarboxylate superplasticizer, starch ether, Calcium formate, gypsum retarder, polyvinyl alcohol, engineering fiber and other mortar, gypsum, putty additives. Our products are widely used in building materials such as bonding mortar, plastering mortar, ceramic tile adhesive, putty powder, gypsum powder, self-leveling cement, etc.