Virus Tube Kit, Nasal Swab Rayon, Small Size Tube manufacturer / supplier in China, offering Virus Transport Tube 2ml Tube 1ml Inactivated Medium Small Size Tube, Viral Collection Medium Tube with Swab/ Viral Collection Medium Tube with Flocked Nasal Swab, Universal Transport Medium with Flocked Nasal Swab/Viral Collection Medium and so on.