+31 (0) 33-2300039 contact@degrootinstruments.nl


Founded in 1998, FITOK Group in an industry-leading developer and manufacturer of superior high-quality instrumentation valves and fittings . FITOK Group has R&D centers, manufacturing facilities and warehousing and service locations in Offenbach, Germany; Stafford, TX, USA and Shenzhen, China.

FITOK Group has five production categories, including: General Instrument Valves and Fittings, High Pressure Valves and Fittings, Semiconductor, Gas Valves and Fittings, Closed loop Sampling Systems and Process Valves and Fittings.