Company Overview. The HEF Group (HQ: France) is a global leader in the science of tribology for more than 50 years and offers innovative nitriding surface treatments and PVD thin-film coating solutions for corrosion, wear and friction reduction of automotive and industrial machinery components. Today HEF operates 70 facilities throughout Europe, Asia, and the Americas, engaged in providing Liquid Nitriding services & chemicals. PVD based coating ...
