Alcion Environnement

roTeg mbH was founded as an engineering consulting office in Dortmund in 1993. The company could quickly open up new fields of business due to its innovative ideas and could continually develop to an established enterprise in the area of machine tec

Since 2006 Welychem has been exporting phosphorus chemicals to South Korea, Indonesia, United Arab Emirates, Australia, South Africa, Egypt, Turkey,Mexico, South America including Coloumbia, Ecuador and Chille. Welychem is highly regarded as a reliab

DRE-Dr. Riss Ellipsometerbau GmbH is founded in the year 1989. We are developing and producing instruments for thin film measurements in the thickness range between 0.000001 nm up to 10 microns. In 1995 the company was honored with the Schmidt-R mhil