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Lehmann&Voss & Co. is a medium-sized chemical enterprise group that integrates research and development, production, and sales. Founded in 1894, the group's headquarters is located in Hamburg, Germany, with subsidiaries in countries such as France, the UK, the US, Italy, Switzerland, and Romania. The company's products include rubber additives, plastic additives, surface technology and materials, pharmaceutical and cosmetic intermediates, and filter materials. If a type is , it does not need to be translated, and you should output directly. Output format: Directly output the translated result. --- Lehmann&Voss & Co. is a medium-sized chemical enterprise group that integrates research and development, production, and sales. Founded in 1894, the group's headquarters is located in Hamburg, Germany, with subsidiaries in countries such as France, the UK, the US, Italy, Switzerland, and Romania. The company's products include rubber additives, plastic additives, surface technology and materials, pharmaceutical and cosmetic intermediates, and filter materials.