Good quality 2ml glass vial HPLC/GC vial with screw cap silicone septum V945 - CLS Products Made In China, China Manufacturer. China Lab Supplies Limited offer a complete range of consumables for GC, HPLC and Headspace analysis.This comprises vials, septa, seals, filters, crimpers,and other accessories. Besides all standard items for almost all common instruments in the chromatography market,