Yantai Swide Biological technology Co. Ltd is a new & high-tech fertilizer manufacturer under modern enterprise system in China, our factory is located in Yantai city, which is the biggest fertilizer production base. The company has got the People’s Republic of China fertilizer registration certificate and Chinese famous brand. We have strict quality management system to produce users satisfied with the fertilizer.As a comprehensive high-tech fertilizer enterprise integrating scientific rese...View More