Our partners are mostly foreign suppliers. It is a supplier from Sweden, the company SÖDRA, which focuses primarily on heat treatment of wood. The THERMOWOOD product is created by perfect drying of the wood. Our other partner is Thermory from Estonia. The company has a similar focus of modifications as the already mentioned company SÖDRA . The last foreign supplier with whom we work closely is the company WOODSAFE . Again, a Swedish company that focuses on the " non-flammability of wood ". The flammability groups B-s1, d0 achieve a special treatment.