No.31Rongchang District Popularity Ranking ChongqingNo.9 VaccinesNo.16 Yi Liao Qi Xie Zhi Zao / ProductionNo.28 Biotechnology PharmaceuticalsNo.29 Yi Yao Jing JiNo.49 Zhong PharmaceuticalsNo.52 Biological ProductsNo.52 BiopharmaceuticalsNo.99 Medical ProductsNo.99 Healthcare Supplies Zhi Yao / Yao Industries Medical Devices Pharmaceutical