Gem Bids For Refilling Of Fire Extinguisher Cylinders - Clean Agent Type Fire Extinguisher; 5 Kg; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Afff; 9 Litres; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Carbon Dioxide Fire Extinguisher; 45 Kg; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Dry Powder Fire Extinguisher; 5 Kg; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Carbon Dioxide Fire Extinguisher; 4.5 Kg; More Than 5 Years