Biological products are a type of products used for prevention, treatment and diagnosis, such as antibody drugs, vaccines, gene and cell therapy drugs, etc., prepared from biological materials such as microorganisms, cells, tissues, and body fluids. Due to their different production methods from chemical drugs, biological products need to undergo strict biosafety testing at all stages, including raw materials, virus banks, cell banks, harvested fluids, and stock fluids. NG28 Pharma and Medical Services· provides you with a variety of exogenous contamination factor inspections at all stages of biological product production.