Which are the three companies in Gu Quan that use traditional techniques to make ointments?

The three companies that use traditional techniques to make ointments are Tongrentang, Tasly and Guangyuyuan. According to relevant public information, these three companies are domestic time-honored pharmaceutical enterprises with a long history and profound cultural heritage. They are committed to inheriting and carrying forward the culture of traditional Chinese medicine, and on this basis, they have developed and produced many modern Chinese medicine products with the advantages of combining traditional Chinese and western medicine, which are deeply trusted and loved by consumers.