Profile: Suzhou Shengtian Biotechnology Co LTD is a supplier of biological consumable products and services. Oral swabs are having a relatively larger tip diameter, compared to nasal swabs. Although both can be used for specific uses, depending on the requirement. Nasopharyngeal swab used for nasopharyngeal collection constitutes a narrow stick made of a short plastic rod that is covered, at one tip, with adsorbing material such as cotton, polyester, or nylon flocked swabs. Swab is anatomically and ergonomically designed to optimize the efficiency of the target analyze collection with patient comfort improved.