GNS is a group of companies in China, the company focused on the production of PU foam, silicone sealant and other adhesives like Acrylic sealant, PU sealant and marble adhesive... 

GNS has passed ISO9001 and ISO14001 certification, 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.