Saliva Collection Tubes are integral elements for health care providers engaged in the performance of diagnostic tests or participating in research protocols. These are specially designed for use in the field of medicine which makes them perfect for numerous activities aimed at collecting saliva including; DNA testing, performing drug tests as well as diagnosing infectious diseases. Bubble plastic nasal tubes, will not react with biological fluids’ and they also possess no abnormalities. As a firm rooted in quality and invention, the company Jiangsu Changfeng Medical Industry Co., Ltd. is focused on development of medical devices which are trustworthy and improve health.