PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering White 11mm Snap Caps for HPLC Vials, 1.5ml 11mm HPLC Snap Vial Caps with Septa, 1.5ml 11mm Snap Vial HPLC Autosampler Vial Write-on Spot V1023 and so on.