Rio Tinto plc

China's high-purity, high white, high brightness, ultra-fine calcium sulfate (gypsum) production base! The leader in the Chinese food additive calcium sulfate (gypsum) industry! The formulation and revision of industry standards for calcium sulfate,

Solvias is a privately held company located in Kaiseraugst/Switzerland. With over 400 highly qualified employees, Solvias supports the research and development of new drug substances and the optimization of manufacturing processes for pharmaceutical,

Umwelt-Pollution Messtechnik GmbH was founded in 1993. Our employees have many years of experience in the field of measurement technology for air, water and other components. Our business activities include the development, production and trade of e