Dingzhou, the ancient county of Zhongshan, is the hometown of the king of Zhongshan. The great lyricist Su Shi left the "Snow Wave", "Heshen", "Zhongshan Songsong" and other eternal singers. The author of the song "Songhuajiang" is also written by Zhang Hanhui. Born in Dingzhou. Here is the outstanding people, Jiu Sen Biotechnology Co., Ltd. was founded here. In order to meet the needs of the industry and ensure the company's core competitiveness, product technology content and efficacy, the company set up a research and development center in 2013, with 20 staff members, including 1 doctor, 5 masters, 3 ...