What is the trademark meaning of 999 cold medicine?

999 originated from Sanjiu Weitai, Trident Bitter, Nine Murraya, Sanjiu Weitai (traditional Chinese medicine), with the ratio of 39=999, so the brand was renamed as 999. Listed companies are well-known brands of OTC and prescription drugs, specializing in the research and development, production, sales and related health services of pharmaceutical products, and their core products are quite influential in the cold, gastrointestinal, skin and orthopedic drug markets.