PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering 10mm Screw Neck 2ml HPLC Wide Mouth Autosampler Vial, 1.5ml 10-425 HPLC Vial Screw Neck Vial VN1045, 1.5ml 10-425 HPLC Vial Screw Neck Vial Vn1013 and so on.