The leading brand of Hongyu Pharmaceutical has successively passed the US FDA certification, the EU CE certification and the British BRC certification. Kaiyan baby swabs are made of medical standards and belong to medical grade cotton swabs. Zhejiang Hongyu Pharmaceutical Products Co., Ltd. was established in 2002, is well-known in the emergency industry, and is sold in one of the top 100 chain pharmacies in China, with a sales network covering more than 30 provinces and cities across the country.