Shaanxi Huifeng Pharmaceutical Ltd., located in Xi'an Hi-tech Development Zone, was founded in 2002 and is a subsidiary of Xi'an Huifeng Group. Our company is specialized in the R&D, development, production and sale of pharmaceutical raw materials and plant extracts which are widely used in pharmaceutical, nutraceutical and food production. Huifeng's products and manufacture have continually met international quality standards. In 2002, our company passed ISO9001:2000 quality management system authentication. In 2010, our company got GMP certificate. In 2011, our company became the only COS/CEP approved pharmaceutical company for diosmin in Asia. After years of great efforts, our company has become the world's leading producer and supplier of Rutin, Rutin-related plant extracts and Diosmin. We enjoy a very good reputation among clients for high quality, competitive price, standardized management and good service. We are looking forward to establishing a long-term business relationship with you.