Germany Meitian Company is a biotechnology company with diversified products, mainly focusing on cell sorting technology. It mainly develops and sells the most advanced products and technologies in the field of cell sorting, cell biology and related molecular biology in the world, especially stem cell sorting, DC cell sorting and analysis, cytokine secretion cell sorting and analysis, immunotherapy and regenerative medicine. Monoclonal antibodies CD 133, BDCA-2(CD303) and BDCA-4(CD304) are all patented products.