Zhejiang Tianyu Pharmaceutical Co Ltd is a company mainly engaged in research and development, production and sales of chemical raw materials. The Company operates three segments. The Pharmaceutical Intermediates segment include hypertension drugs raw materials, anti-asthma drugs raw materials and anticoagulant drugs raw materials. The Active Pharmaceutical Ingredients (API) segment is engaged in production of high blood pressure drug intermediates, anti-asthma drug intermediates and antiviral drug intermediates. The Company also operates Other segment. The Company sells its products to both domestic and international markets, including Europe, the United States, Japan, South Korea and so on.