PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering Basic Customization 20mm White PTFE Blue Silicone Closure for Headspace Vial Sealing Aluminum Cap Septa, Sample Customization Logo and Cap Color Gl80 Wide Mouth Lab Glass Reagent Bottle, Sample Customization 10ml Clear Crimp Headspace Vials with White PTFE&Red Silicone Septa Caps 20mm Flat Bottom Lab Vial and so on.