The reason why Kongtang Shengangong Niuhuang Pills are cheap is because the raw materials are different. There are two very precious natural medicines in Chinese medicine, one is natural musk and the other is natural bezoar. Natural bezoar and natural musk are not only scarce, but also very expensive. The price of artificial musk is around 50 yuan/gram, and the price of artificial bezoar is as low as 1 yuan/gram. Only five companies in the market are allowed to use natural musk to produce Angong Niuhuang Pills, namely Tongrentang, Guangyuyuan, Zhongxin Darentang, Nanjing Tongrentang and Longhui Pharmaceutical acquired by Pien Tze Huang last year. Kongshengtang Angong Niuhuang Pill is made of other raw materials, and the price is cheap.