Chromatography Vials, Caps, Septa & Inserts, Tubes, Crimper, Syringe Filter-Zhejiang Aijiren Technology,Inc. Chromatography Consumables Our major products are chromatography vials with closures, inserts, crimpers and syringe filters; Water analysis consumables such as COD test tubes, etc. Amber Reagent Bottle for Laboratory Read More