supply of supply of empty refrigernt gas cylinder suitable for r-407c gas. having capacity 8-10 kg with protection cap (guard) valve of the cylinder should be as per is :3224, material should be confirming as per gas cylinder rules 2016 cyclender should be supplied along with explosive certificate from chief controller/petrolieum and explosive safety organisation.supply of empty refrigernt gas cylinder suitable for r-407c gas. having capacity 8-10 kg with protection cap (guard) valve of the cylinder should be as per is :3224, material should be confirming as per gas cylinder rules 2016. cyclender should be supplied along with explosive certificate from chief controller/petrolieum and explosive safety organisation.supply of empty refrigernt gas cylinder suitable for r-407c gas. having capacity 8-10 kg with protection cap (guard) valve of the cylinder should be as per is :3224, material should be confirming as per gas cylinder rules 2016 cyclender should be supplied along with explosive certificate from chief controller/petrolieum and explosive safety organisation.supply of empty refrigernt gas cylinder suitable for r-407c gas. having capacity 8-10 kg with protection cap (guard) valve of the cylinder should be as per is :3224, material should be confirming as per gas cylinder rules 2016. cyclender should be supplied along with explosive certificate from chief controller/petrolieum and explosive safety organisation.,supply of empty refrigernt gas cylinder suitable for r-22 gas. having capacity 1 0 kg with protection cap (guard) valve of the cylinder should be as per is :3224, material sh ould be confirming as per gas cylinder rules 2016. cyclender should be supplied along wit h explosive certificate from chief controller/petrolieum and explosive safety organisation . [ warranty period: 30 months after the date of delivery ] ] , supply of empty refrigernt gas cylinder suitable for r-407c gas. having capacit y 8-10 kg with protection cap (guard) valve of the cylinder sho