PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering 18mm Screw Headspace Vial Caps with Septa Saca001, 18mm Headspace Vial Round Bottom Caps SA002-II, 18mm Headspace Vial Round Bottom Caps PTFE Silicone Septa SA001 and so on.
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