HKO Heat Protection Group is a manufacturer of technical-grade textiles for extreme temperature ranges, with production facilities in Germany and China, as well as subsidiaries in the USA and France. Fire protection fabrics, heat resistant material, technical sleeves, technical felt, technical yarns, technical fabrics, heat-resistant fabrics, insulation material, asbestos substitutes, insulation, technical textiles, glass fibre, insulating material, carriage construction, insulation products, heat protection materials.