Hongsifang chloride composite fertilizer is made of high- quality nitrogen fertilizer, imported potassium chloride and ammonium ste as raw materials by means of the computer-controlled, full-process, automatic and advanced manufacturing process. It provides great particle strength and persistent nutrient supply and may supply fertilizer according to the needs of the crops. Its formula is scientific and can raise crop resistance and crop yield. As medium into the product, it may comprehensively provide nutrition to further improve crop quality.