Tsumura & Co is a Japan-based company mainly engaged in manufacturing and sales of prescription drugs and over-the-counter drugs. The Company operates the Pharmaceuticals segment. In Japan, the Company conducts the manufacturing, sales, transportation and storage of prescription drugs and over-the-counter drugs, and cultivation, procurement, selection, processing and storage of raw medicinal herbs. In China, the Company is engaged in regional management, business management, production and sales of herbal extract powders, cultivation, procurement, selection, processing and storage of herbal ingredients, and sales of pharmaceuticals and food products. In Laos, the Company is engaged in cultivation, procurement, selection, processing and storage of herbal ingredients. In the United States, the Company is engaged in pharmaceutical development business.