Disposable virus sampler's kit is the first step of PCR test,if it is proven to be positive in the test,it will probably the evidence that you are affected by covid.Virus sampling tube include different sizes.1 in 1;10 in 1;20 in 1 Item Virus sampling tube Material pp Standard EN14683 Features Medical checking Sample Free of charge Product Certifications CE/FDA Factory Certifications IS09001,IS013485,ISO14001 Shandong Zhushi Pharmaceutical Group Co., Ltd. is established in 2003, located in Shanxian County, Heze city, Shandong province, China. With a registered capital of 100 million yuan, mor…