The supply pattern of the coated sand market is relatively stable. Yangtze Materials is the leading domestic supplier.

Coated sand refers to core sand products that are coated with a solid resin film on the surface of sand grains using processes such as cold and hot methods. Coated sand is mainly used in the foundry industry. Its products have the characteristics of high strength, high temperature resistance, shell-shaped non-layering, and good surface finish.…