China-Places.com listou aprox 24 Companhias farmaceuticas dentro Distrito de Mazhang. Alguns dos mais bem avaliados Companhias farmaceuticas dentro Distrito de Mazhang estão- Zhanjiang Jiuzhou Indústria Farmacêutica Limited Company, Renzheng Pharmaceutical Industry Limited Company, Zhanjiang Hongyuan Indústria Farmacêutica Limited Company, Aparelhos e instrumentos médicos de Zhanjiang Jiakang, Zhanjiang Huafeng Indústria Farmacêutica Limited Company, Zhanjiang Meijian Medical Apparatus and Instruments Company Limited, Zhanjiang Juguang Medical Apparatus and Instruments Company Limited, Zhanjiang Guangzheng Medicine Industry Co.Ltd., Zhanjiang Huitong Pharmaceutical Industry Limited Company & Zhanjiang Hengxing Feima Medicina Tradicional Chinesa Yinpian Limited Company.