So how to produce pig manure organic fertilizer? According to the process stage, the process of granular organic fertilizer production line is divided into ① fermentation process; ② crushing process; ③ stirring and mixing process; ④ granulation process; ⑤ drying process; ⑥ screening process; Pig manure organic fertilizer production equipment needs fermentation turning machine, chain pulverizer, organic fertilizer granulator machine, horizontal mixer, drum screening machine, semi-wet material pulverizer, cooler, dryer, coating machine, automatic quantitative packaging machines and other equipment.