Fire Extinguisher Tubes - Fire Extinguisher Set 1 Fire Prevention Fire Prevention Equipment Sale 2 Fire Extinguisher And The Fire Fighting Equipment System's Maintenance, Annual Inspection Service 3 Fire Detector's Clean Service, Controls System's Service Debugging 4 Automatic Water Sprays The System, The Fire Alarm System And The Security Supervisory System The Installation And Trial Run 5 Unit Fire Prevention Safety System's Generation Of Uygur Works 6 Automatic Gas Suppression System's Installment. 7Fire Prevention Examination.