This product is a high-performance serum-free medium specifically optimized for the high-density expansion and functional maintenance of human mesenchymal stem cells (MSCs) and various difficult-to-culture mammalian cells. By completely eliminating animal-derived components and incorporating precisely regulated growth factors and nutrients, it not only significantly promotes rapid, healthy cell proliferation but also effectively maintains key biological characteristics and differentiation potential. This ensures high consistency and reproducibility of experimental data.