PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering Aijiren Steel Hand Crimper for 20mm Gc Vials, Hand Crimper for 20mm HPLC Crimp Vials, Aijiren 13mm Glass Vials Manual Power Hand Crimpers for Sealing Tubular Bottle Vial and so on.