When it comes to GC capillary columns and consumables, we know you have many suppliers in the chromatography marketplace to c ... hoose from. Over the years those numbers have actually dwindled as the industry has experienced several mergers and acquisitions and even division shut-downs where some popular brands simply have disappeared. From large multi-national corporations and conglomerates with huge R&D and marketing budgets to smaller companies such as Quadrex, you can get what you need for your critical GC applications. Quality : Our quality extends from our experience. We take pride in our manufacturing technology and the ability to offer a quality product. Quality control takes place at every stage of production and every column goes through extensive testing prior to leaving our door. The GC column market is highly competitive, our longevity in this market is a testament to the quality we put into each of our columns. Our Commitment to You : Quadrex is committed to manufacturing the highest quality capillary columns at competitive prices. We will work with you to determine the best column solution for your application. We look forward to having you as our customer. read more