12369 The complaint reporting process is as follows: 1. After the complainant dials 12369, the operator will input the complaint information. 2, will belong to the environmental protection department within the scope of responsibility of the complaint cases in a timely manner to the staff. 3. After receiving the information assigned by 12369, they rushed to the scene to conduct on-site investigation and put on record the suspected environmental violations. 4. Law enforcement officers will reply the results to the complainant and the environmental protection report acceptance center. 5. 12369 The report acceptance center conducts spot checks and return visits to the hot and difficult cases that have been answered. 6. 12369 Reporting Acceptance Center issued a supervision letter to the dissatisfied cases handled by the masses for more than three times.