Safe. There is basically no problem with Guangzhou Meixintang stem cells. They have been doing this for many years, so his liver cells are good, so they are safe. Guangzhou, referred to as Yangcheng and Huacheng for short, is a prefecture-level city under the jurisdiction of Guangdong Province, the capital of Guangdong Province, a sub-provincial city, a national central city, a megacity, a core city of Guangzhou metropolitan area, an important national central city, an international business center and a comprehensive transportation hub approved by the State Council.