Bioconcept, Carat, Evolution, Gueltig G-Cap®, Twinline, VISION®
Setting standards for excellence in the industry, Gueltig developed the first 'sterile cork' in 1983. We are the first cork manufacturer to launch a 'chlorine free' natural cork, significantly reducing the risk of TCA. Since 2000, production of natural corks is strictly controlled with the use of in-house gas chromatography--mass spectrometry equipment, adhering to QC procedures in accordance with ISO 9002 and HACCP. Full line of natural and synthetic corks.