No, I learned it by querying Netease News. 20 19 19 On February 23rd, the trademark assets of Shanghai Huang Hui Medical Technology Co., Ltd. "Xuchengtang" were officially listed in the Hong Kong International Intellectual Property Exchange Center with the stock code of 800 139, and the listing ceremony was held in Guiyang Huaguoyuan Shopping Center. Many industry experts gathered in Guiyang to discuss the opportunities and trends of TCM health care industry and witness the future development of Xuchengtang.