Profile: Hebei Shuanglian Biotechnology Group Co.,Ltd specializes in providing fertilizers. Our main products are Pure Organic Fertilizer, Bio-organic Fertilizer, Humic Acid powder & granular, Amino Acid fertilizer, Potassium Humate, Potassium Fulvic Acid, Ammonium Sulfate, NPK Compound Fertilizers, Soil Conditioner , Organic inorganic fertilizer , Water Soluble NPK Fertilizers, Liquid fertilizer. Liquid Organic fertilizer and other fertilizers. The newly developed amino acid organic fertilizer particles contain rich amino acids, humic acid and fish protein and the water solubility is fast, which can better regulate the soil, prevent and control pests, promote the absorption of nutrients in crops, and increase production capacity.