Chromatography Vials , PTFE/Silicone Septa , Cod Vials , HPLC Vials , Hand Crimpers , Syringe Zhejiang Aijiren Technology is Lab consumable manufacturer since 2007. Which major products are HPLC vial, GC vial, Headspace vial, Septa and cap, TOC vial, EPA vial, COD test tube, Reagent bottle, Syringe filter and Filter membrane.