PTFE/Silicone Septa, Hand Crimpers, Syringe Filters manufacturer / supplier in China, offering Wholesale 50 Postions 12mm Standard HPLC Autosampler Vial Rack Holder, Lab 1.8ml 2ml Glass Vial 50 Holes Plastic Cryo Tube Storage Rack, 50 Wells Lab HPLC Autosampler Vials 2ml Vials Rack Centrifuge Tube Rack Holder and so on.