K&L OBTUS GmbH

Zhejiang is a leading Chinese company in conventional temperature equipment, focusing on gas equipment, nitrogen machinery, and gas products.

FerroLabs, Inc. develops and manufactures ferrofluids and ferrofluid seals for various applications.

Cales de pachs, S.A., a Spain family-owned leader, produces high-quality calcium oxide and hydroxide with in-house technology and 50 years of experience.