Tender For providing of custom bid for services - supply of 3 inch mass flow metering system 2 set including air eliminator strainer pressure gauge differential pressure gauge temperature sensor and temperature transmitter etc complete for furnace oil and lshs at tlf gan..,custom bid for services - installation testing commissioning of 3 inch mass flow metering system 2 nos including air eliminator strainer pressure gauge differential pressure gauge temperature sensor and temperature transmitter etc complete for fu..