Vial, Cap, Syringe Filter manufacturer / supplier in China, offering Alwsci 2ml 13.2X24.7mm Plastic Sample Vial Conical Polyethylene Vial for Aqueous Solutions Perkinelmer Gfaas Systems, Alwsci 16ml Polypropylene Test Tube 17mm Od Round Bottom Compatible with 60-Position Autosampler Rack, Alwsci Cod Test Tube 16X100mm 10ml for Hach Device Using and so on.