1. Process flow 1.1 Process requirements 1.2 Collection of chicken manure 1.3 Pre-treatment 1.4 Main fermentation 1.5 Mature fermentation 1.6 Raw material processing I 1.7 Raw material testing 1.8 Raw material processing 1.9 Granulation 1.10 Drying 1.11 Screening 1.12 Finished product testing 2, packaging, labeling, transportation and storage