GS-Tek is a small business type Chromatography column manufacturer in Delaware, USA. GS-Tek manufactures over 2000 types columns to meet all applications needs. GS-Tek has over 20year experiences in GC, HPLC and column technologies. GsBP(tm) GC columns have similar and improved performances to HP/DB brand columns. GS-Tek is doing international business with its increasing worldwide distribution channel. GS-Tek's products are widely used by many scientists over 40 countris. In addition to its products, GS-Tek provides in-depth technical supports to its customers and dealer with its over 20year column technologies and applications experiences. GS-Tek's products are: GsBP(tm) GC columns, both capillary and packed GC base analyzers such as NGA, RGA, LPGA, PONA, sim-dis Venusil HPLC columns and SPE Syringe filters over 6000 chromatography consumables and supplies for all brand instruments Instrument spare parts, maintenance parts and refurbished parts In addition to its products, GS-Tek provides consulting service of chromaography separations and analysis of special samples. contact [email protected] for details.