Hunan Ouya Biological is located at Changsha, Hunan , China.Established in 2006. We are mainly engaged in the marketing development, sales, technical support and service. Hunan Ouya Biological provides pharmaceutical Active Pharmaceutical Ingredients & intermediates to the global marketplaces. Hunan Ouya Biological has already established good business relations with the customers in the pharmaceutical and biotech industries in Asia as Japan,Korea,Singapore,North America, South America,