Zhengzhou Cuncaoxin Biotechnology Co., Ltd. was officially renamed as Zhengzhou Hou Shi Cao Xian Biotechnology Co., Ltd. in 2020. Hou Shi Cao Xian is not a commodity name, but a brand name. Hou Shi Cao Xian is the registered trademark of Zhengzhou Cuncaoxin Biotechnology Co., Ltd., which was officially renamed as Zhengzhou Hou Shi Cao Xian Biotechnology Co., Ltd. in 2020. Zhengzhou Cuncaoxin Biotechnology Co., Ltd. has produced a series of Cao Xian products with this trademark, including Cao Xian Huogu Plaster, Cao Xian Gutong Plaster and Cao Xian Guba. The company was established in 2004 and formally established in 2007. Now it has developed into a high-tech enterprise integrating drug research and development, production and sales. The company's production address is Cuizhu Street, Zhengzhou High-tech Zone.