This document summarizes a natural bio organic liquid micro-nutrient fertilizer. It contains various micro-nutrients including phosphorus, potassium, sulfur, zinc, calcium, iron, copper and manganese. It should be diluted in 100-300 liters of water and sprayed on crops at seeding, medium, and full growth stages. The benefits include increasing fertility, solubilizing other fertilizers, reducing soil salt effects, controlling pH, reducing pests and diseases, strengthening roots, and increasing crop yields. It can be applied to various field crops and vegetables. The manufacturer is Hebei shuangyang fertilizer Technology Co.,Ltd located in Shijiazhuang, Hebei Province, China.