tender for industrial oxygen gas cylinder, eec make, indigenous empty brand new high pressure seamlesssteel gas cylinder flat type, concave bottom cylinder as per is: 7285 (pt-ii) 2004, complete with neck with valve &with clot cap, valve as per is:3224, painted as specified under gas cylinder rules 2004 & supported withmanufacturers test certificate & certified and approval from chief controller of explosives, govt. of india. gasspecified : oxygen standard : 7285 part-ii 2004 gas cap 7 cum. make- rama cylinders or similar.