GNS is a group of companies in China, largest PU foam manufacturer and PU foam supplier in China and the top 3 in Asia. In addition to PU foam, the company also produces silicone sealant, other sealants and adhesives.

PU foam is mainly used for filling, sealing and bonding the side seams, expansion joints and frames of building doors and windows. It is a polyurethane elastic sealing foam material cured by moisture. It is divided into two types: gun type and manual type. It is a one-component, moisture-curable, multi-purpose polyurethane foam-filled elastic sealing material. PU Foam is a special polyurethane product in which components such as polyurethane prepolymer, and catalyst are filled in a pressure-resistant aerosol can.

GNS has passed ISO9001 and ISO14001 certification, PU foam products have been sold to more than 78 countries and regions in the world, meet and through the EU, Australia and other relevant quality certification.