GS-Tek is a USA GC and HPLC column manufacturer. GS-Tek offers better or improved performance, quality columns with complete stationary phases including packed columns to analytical chemists all over the world. Additionally, GS-Tek provides solution-based analyzers for petroleum, petrochemical, environmental and other industries with its strengths in separations, services and supports. Other products include cost effective syringe filters, chromatographic supplies, solid-phase extraction cartridges, and general lab supplies.GS-Tek welcomes international distributors to join its worldwide distribution channel. Please contact info@gs-tek.com for details.