Tender For providing of refilling of fire extinguisher cylinders - hydrotesting, painting and refilling of co2 flooding system cylinders, co2 fire extinguishers and clean agent fire extinguishers; hydrotesting of co2 (45 kg) cylinders; as per nit,refilling of fire extinguisher cylinders - hydrotesting, painting and refilling of co2 flooding system cylinders, co2 fire extinguishers and clean agent fire extinguishers; refilling of co2 (45 kg) cylinders; as per nit,refilling of fire extinguisher cylinders - hydrotesting, painting and refilling of co2 flooding system cylinders, co2 fire extinguishers and clean agent fire extinguishers; painting of c02 (45 kg) cylinders; as per nit,refilling of fire extinguisher cylinders - hydrotesting painting and refilling of co2 flooding system cylinders co2 fire extinguishers and clean agent fire extinguishers; hydrotesting of co2 22.5 kg cylinders; as per nit,refilling of fire extinguisher cylinders - hydrotesting painting and refilling of co2 flooding system cylinders co2 fire extinguishers and cl