Oliver Schwarz

MHA Zentgraf GmbH & Co. KG is a German company that specializes in producing ball valves and flow control valves for various industries, including hydrogen production, transport, storage, fuelling, compressor systems, and electrolysis systems. MHA Zentgraf is based in Merzig, DE. The private company will be participating in the Valve World Düsseldorf trade fair in November 2022 and the HANNOVER MESSE trade fair in April 2023. The company was founded in 1945 by Alfred Zentgraf, and its CEOs are Andreas Gühring, Oliver Schwarz, and Marc Bossmann.