1997年，北京ng南宫国际app下载股份有限公司成立，并在上交所上市，标志着ng南宫国际app下载在建立现代化企业制度的进程中迈出重要步伐。 In 1997, Beijing Tong Ren Tang Co., Ltd. was established, and was also listed on the Shanghai Stock Exchange.
