This unit produces CYZ - the A type gentrifugalism oil pump is according to the domestic and foreign related technical data most newly pumps a kind of product which after the digestion, the absorption, the improvement develops becomes, the domestic blank is unique, should pump is suitable for the petroleum profession, the land fuel depot, the oil truck ideal product, and suits to makes the ship with the cargo pump, the bilge pump, the fire extinguishing pump and the ballast pumps and the machine cooling water circulation and so on, separately transports petroleum product and the sea water, the clear water and so on the gasoline, petroleum, diesel oil, navigation coal, the medium temperature -20 ℃ ~ 140 ℃, if the transportation chemical industry liquid may change to the anti-corrosive mechanical seal.