Aijiren is a global supplier of life-science, chemistry, laboratory consumables, etc. Our major products are high performance liquid chromatography & gas chromatography consumables such as Chromatography Autosampler Vials with closures, HPLC vial, micro-inserts, micro-vial, Reagent bottle, crimper and syringe filters, etc; Water analysis consumables such as COD test tube, EPA vial, TOC vial.