General Chromatography Supplies, Inc. is a US-based chromatography laboratory instruments and consumables supplier and service provider for Biopharmaceutical, Biotechnology, Food, Environmental, and Chemical industries, as well as reasearch community . Our products include Flash columns, Silica gels, TLC plates, Analytic and Prep HPLC columns, bulk media, Flahs Chromatography systems, Prep-HPLC systems, syringe filters, and sample vials (glass or plastic), etc. We are committed to deliver the best values to our customers.