PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering 15-425 8ml 12ml Screw Amber Clear Glass Sample Storage Vial, Lab 8-12ml Glassware 15-425 Thread Sample Storage Vial V0817 with Caps, Basic Customization Lab Analysis Crimp Top Headspace Vial for Gas Chromatography Gc-Ms 100PCS/Pack and so on.