Tender For providing of refilling of industrial gases in cylinders - argon 5 grade ultra high pure as per attached specification; cubic meter,refilling of industrial gases in cylinders - nitrogen ultra high pure as per attached specification; cubic meter,refilling of industrial gases in cylinders - hydrogen 5 grade ultra high pure as per attached specification; cubic meter,refilling of industrial gases in cylinders - helium 5 grade ultra high pure as per attached specification; cubic meter,refilling of industrial gases in cylinders - zero air 4 grade ultra high pure as per attached specification; cubic meter,refilling of industrial gases in cylinders - co2 gas (ultra high pure) 99.99%; kilogram (kg),refilling of industrial gases in cylinders - oxygen 4 grade ultra high pure as per attached specification; cubic meter,refilling of industrial gases in cylinders - methane 5 grade ultra high pure as per attached specification; cubic meter,refilling of industrial gases in cylinders - liquid nitrogen as per attached specification; liters