Hebei Dejiantang Biotechnology Co., Ltd. was founded in 2020. In 2021, Dejiantang joined hands with Beijing Yicikang Traditional Chinese Medicine Research Institute. Guided by traditional Chinese medicine theories, the company focuses on the research, development and production of external-use products mainly made of Chinese herbal medicines, including ointments, liquids, sprays and plasters. These products can effectively regulate and rehabilitate chronic diseases such as rhinitis, ear diseases, rheumatic bone diseases and hemorrhoids.