PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering Wholesale Amber 11mm Snap Ring 2ml HPLC Autosampler Vial, 1.5ml 11mm Snap Clear Vial Autosampler Vial V1013, 1.5ml 10-425 Vial Screw Neck HPLC Vial 250UL Micro Inserts and so on.