Peter Zoeller

DiaSys Diagnostic Systems GmbH develops and produces diagnostic systems. It offers automated analyzers, photometers, point-of-care testing systems, system kits, reagents for routine and special diagnostics, calibrators, and controls. The firm serves laboratories, hospitals, and physicians worldwide. The company was founded by Guenther Gorka, Rolf Greiner and Manfred Probst in 1991 and is headquartered in Holzheim, Germany.

Part of Beijing Leadman Biochemistry Co., Ltd., Diasys Diagnostic Products (Shanghai) Co., Ltd. is a Chinese company that researches and distributes medical equipment. The company is based in Shanghai, China. The company was founded in 2008. Diasys Diagnostic Products (Shanghai) Co. was acquired by Beijing Leadman Biochemistry Co., Ltd. on July 09, 2015 for $65.05 million.