Dieter Hans Josef Guhl

Part of Amco Investments Ltd., Thermox Performance Materials Ltd. is a British company that manufactures and exports tin oxide materials. The company is based in London, UK.

Part of Amco Investments Ltd., Keeling & Walker Ltd. is a British company that specializes in helping customers find the best combination of formulation for inks and coatings to achieve optimal performance. The company is based in Stoke-on-Trent, UK. Keeling & Walker believes that innovation and quality are the factors that make their products stand out, and they use these principles to produce a wide range of durable ceramic colors. Founded in 1916, the company has over 80 years of experience in manufacturing highly refined and tailored synthetic tin oxides, which are versatile materials for ceramics.