Jinan Yufeng Bioengineering Co., Ltd. Located in Spring City-Jinan, is a specialized in researching, manufacturing and marketing modernized comprehensive high-tech enterprise of active pharmaceutical ingredient, pharmaceutical intermediates and biological products. Our company owns two production bases and one R&D center. Sales company and R&D center both are situated in Jinan Biomedical Industrial Park, Shandong Province. Manufacturing base is located in Jining Pharmaceutical Industrial Park with a modernized R&D center.