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