Ultrassay is manufacturing and suppling various specimen collection & preservation products. disposable swabs/samplers which widely use to the collection/transportation of the specimen of virus/bacteria/tissue/cell for clinical diagnosis and laboratory analysis. It mainly includes nasopharyngeal swabs, oropharyngeal swabs, cervical samplers, oral samplers, gynecological scrapers, spatulas, Cary-Blair agar gel swabs, Stuart agar gel swabs, Amies agar gel swabs………