Official website of China Resources Pharmaceutical Group Co., Ltd. shows that China Resources Pharmaceutical Group Co., Ltd. (stock code: 03320.HK) is a leading comprehensive pharmaceutical company in China, ranking the top three in the industry, mainly engaged in pharmaceutical research and development, manufacturing, distribution and retail. It is the largest manufacturer of over-the-counter drugs in China. In 2003, the company was directly supervised by the State Council State-owned Assets Supervision and Administration Commission and listed as a key state-owned enterprise, so it was very formal.