"Zhuyangxin" is the registered trademark of Hangzhou Zhuyangxin Pharmaceutical Co., Ltd., which is a Chinese medicine enterprise specializing in the production of traumatology drugs. Its predecessor was Zhu Yangxin Pharmacy, which was founded in Wanli period of Ming Dynasty (1573- 1620) and came out at the same time as Compendium of Materia Medica. Founder Zhu Yangxin and his descendants developed ointment for treating traumatic injury, carbuncle and ulcer. The time-honored brand of "Zhu Yangxin", which has lasted for more than 400 years, has created a miracle of the vitality of traditional Chinese medicine culture in China through years of perseverance.