Amphastar Pharmaceuticals announced business expansion plans for its subsidiary, Amphastar Nanjing Pharmaceuticals Inc. (“ANP”).    To date, ANP has provided Active Pharmaceutical Ingredients and starting materials specifically to Amphastar. After the expansion is completed, ANP intends to begin selling APIs both to Amphastar and externally around the world to expand its overall markets. More importantly, ANP is expanding to manufacture finished pharmaceutical products for distribution i...