Hebei Century Zhoutian Biological Science&Technology Co., Ltd is a high-tech enterprises that based on modern agricultural biotechnology and advanced experimental demonstration of agricultural technology extension. It was rated as China's science and technology innovation of small and medium-sized enterprises of 100 and The national quality credit guarantee unit. Biological fertilizer was awarded green product award by Evironmental Potection Administration. Main products are biological fertilizer, compound fertilizer, foliar fertilizer, salt fertilizer, fertilizer, bioactive potassium, Composite microorganisms Fertilizer for fruit trees, cotton, wheat, potatoes, aquatic products. In the experiments and demonstrations across the country has made remarkable achievement.