“Strom 21” Ltd. has been found 1998 with 100% private ownership. For several years company become the third biggest producer of dry mixes in Bulgaria, producing 42 products based on cement, gypsum, polymer additive, paints, plasters and etc. All products produced by “Strom 21” Ltd. fit the European Norms for dry mixes and paints and correspond to European Harmonized Standards. For all products there are certificates from third party authorized laboratory and company gives guarantee based on European Directives for implementation of products in building industry. “Strom 21” Ltd. has implemented quality control system ISO 9001:2008 certificated by BVQI. Products list includes tile adhesives, products for thermo-insulation, self-leveling compounds, shpachtelmasse, plasters, mortars, tile grouts, renovating materials, acrylic paints, synthetic resigns, silicone plasters...