Not an old brand. Baiyun toothpaste was jointly launched by Guangzhou Baiyunshan Pharmaceutical Group Co., Ltd., a subsidiary of Guangzhou Pharmaceutical Group, and the toothpaste manufacturer Meichen Group, a joint venture established by Guangzhou Baiyun Toothpaste Company. In September 2023, Baiyunshan has applied to register multiple Baiyun toothpaste and Guangyao Baiyun text and graphic trademarks. The international classifications are daily chemical products and kitchen sanitary ware. The current trademark status is under application. So Baiyun toothpaste is not an old brand.