This "Zhongjing" logo is the registered trademark of Zhongjing Wanxi Pharmaceutical. The company started in Nanyang, Henan Province, which is the hometown of doctor Zhang Zhongjing. The company used the works of Dr. Zhang Zhongjing for reference to develop drugs. Since 2000, the company began to use Zhongjing trademark to produce Zhongjing brand series of Chinese patent medicine products, which have been recognized by consumers because of their excellent quality. After that, it continued to grow in scale and gradually formed Zhongjing agriculture, Zhongjing industry, Zhongjing food, Zhongjing commerce, Zhongjing medical care and Zhongjing health care. It has formed a big healthy industrial chain from Chinese medicine production to medical care, achieved Chinese medicine and promoted Chinese medicine culture.