... covering full line followed products: 1.Positive Displace Flow meter and pump, such as 1.5", 2", 3" flow meter, ... oil tank truck and service station. 2.Fuel dispenser components, including meter, combinated vane pump, gear pump, submersible pump, automatic nozzle, ... air aliminator, etc. 4.Electric Transfer Pump, electric diesel pump & meter, gasoline explosion proof pump, etc.5. oil tank truck parts, ...