Guo Weikang produced by Weisheng Pharmaceutical Co., Ltd. is one of the largest VC suppliers in the world. It is also the only pharmaceutical company in China that has passed COS FDA. Don't tell me you don't know what FDA and COS stand for. You can go to Baidu. In addition to sending Sinopharm to be Guo Weikang, Viacom's VC is also exported to Coca-Cola, Red Bull and Amway. Have you ever seen them use the VC of Yangshengtang?
Which is better, needless to say?
Finally, Guo Weikang is more delicious than Yangshengtang ~