Wittler Armaturen GmbH

TIB Chemicals AG is an internationally orientated medium-sized chemical company. We provide our customers with a wide range of products and customised solutions in basic chemicals, inorganic speciality chemicals and coating systems.

Welch is a leading provider of high-quality, durable vacuum pumps. Our extensive portfolio includes diaphragm, rotary vane, and turbomolecular pumps and systems, plus accessories. As a global leader in vacuum technology, our customers include labora