Tender for Supply Of Empty Refrigernt Gas Cylinder Suitable For R-407 & R-22 Gas. Having Capacity 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. in Howrah - West Bengal

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