Huaxia yuan patent
I don't know what kind of stem cells you want to store. Perinatal stem cells are still recommended to Han Lian. They are the weather vane of the research and development of perinatal stem cell technology in the world, and have exclusive patented technology. I have stored placental hematopoietic stem cells and pluripotent stem cells in his home. Baidu also has a lot of related information.