Tangshan, a natural medicine of Beijing Tongrentang, is the parent company with Beijing Tongrentang Technology Development Company. Beijing Tongrentang Natural Medicine (Tangshan) Co., Ltd. was established on April 5, 2008. Adhering to the cultural tradition of fellow initiates' kindness, saving lives, treating diseases and saving lives and the enterprise spirit of seeking truth and reputation, the company produces and sells dozens of products. It is one of the companies under Beijing Tongrentang, which integrates product manufacturing and sales.