Sampling swabs belong to medical devices, the production environment is very strict, there are also corresponding quality control standards, the most basic requirement is non-toxic and non-hazardous.
10% formalin neutral fixative pH neutral, can maximize the preservation of antigen in the tissue; strong permeability, uniform fixation, less shrinkage to the tissue.
A variety of specifications to choose from, 3ml/bottle, 5ml/bottle, 10ml/bottle, 15ml/bottle, 20ml/bottle, with a scale for more convenient use.