Stephan Ahrens

Part of Solvay SA, Solvay Chemicals GmbH is a German multi-specialty chemical company that develops chemistry to address key societal challenges and partners with customers in diverse end markets. The company is based in Hannover, Germany. The CEOs are Hugo Walravens, Norber Mülders. The company was founded in 2000.

Solvay Persalze GmbH engages in manufacturing of barium and strontium carbonate. The company is headquartered in Hannover, Germany.

Kandelium Barium Strontium International GmbH is a company based in Hannover, Germany. The company's main facility is located in Östringen, which is approximately 30 kilometers south of Heidelberg. The CEOs are Erik Bonmann and Stéphane Le-Mounier. The German company's description states that it is a provider of modern materials and specialty chemicals. Kandelium Barium Strontium International GmbH is committed to the development of clean mobility and resource efficiency. The company was founded in 2005.