You can rest assured to buy Sampling Oropharyngeal swab stick from our factory and we will offer you the best after-sale service and timely delivery.The Sterile Oropharyngeal swab stick is made of polypropylene with breakpoints, which can be easily disconnected, and the DNA sample is collected and put into the tube. The head is made of nylon fiber, which is easy to capture DNA samples and release samples easily.
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