Brand：NANBEI Model：nb-R30L-E A new type of hybrid device suitable for molecular biology, virology, microbiology, pathology, immunology and other laboratories of scientific research institutions, medical schools, disease control centers, and medical and health institutions. The blood sampling mixer is a blood mixing device that mixes a single tube at a time, and sets the best shaking and mixing mode for each type of blood collection tube to avoid the influence of human factors on the mixing result.