SCK (Shiraishi Calcium Kaisha, Ltd.) was founded in 1937 originally to export calcium carbonate manufactured by SHIRAISHI KOGYO, our parent company, for the rubber industries.

IBZ-Salzchemie GmbH & Co. KG was founded in 2003 by Dipl.-Chemist Gabriele Ziegenbalg and Prof. Dr. Gerald Ziegenbalg. Since then, we have served clients from all continents. In 2019, Dr. Sven Ziegenbalg joined our family business. We are an inte