PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering 11mm Snap Red Cap for 2ml HPLC Gc Vials Sc101103, 1.5ml 11mm Snap Vial Caps with Silicone Septa HPLC Vial Red Caps Sc101103, 300UL Flat Bottom Micro Insert for 2ml Autosampler Vials I300 and so on.