What kind of air traffic control invoice of sampling pipe belongs to?

Medical supplies. According to the relevant information of the inquiry invoice, the air traffic control invoicing of the sampling tube belongs to the category of medical supplies. Virus sampling tube is a complete set of centrifugal tubes used for sampling and transporting influenza virus, hand-foot-mouth disease virus and other viruses in microbial sampling transportation tube, also known as specimen transportation tube, which has become a commercial product.