... followed products: 1.Positive Displace Flow meter and pump, such as 1.5", 2", 3" flow meter, 2" , 2.5",3" Vane pump for Oil ... company, oil tank truck and service station. 2.Fuel dispenser components ... valve, hose adaptor, etc. Last year, we made more than 200,000pcs nozzles, 35,000pcs pumps and 45,000 flow meters ...