Vial, Cap, Syringe Filter manufacturer / supplier in China, offering Alwsci 12ml Crimp Breath Testing Vial Open Top Aluminum Crimp Cap, 12ml 15.5X101mm Breath Sampling Vial Open Top Screw Cap with Butyl Septa, Alwsci 20ml Screw Neck HPLC Headspace Glass Vial and so on.