PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering 11mm Snap Caps for 2ml HPLC Gc Autosampler Vials, 11mm ND11 White Snap Top Caps with Septa for HPLC Vials Sc101101, 1.5ml 11mm Snap Vial Caps with Septa HPLC Vial Caps Sc104102 and so on.