What is the name of a traditional white soft cake in Fuzhou?

Selling soft cake is mostly done in the fall and winter. The people who run this business are all Putian people, so there is a popular saying: "Xinghua brother, sell soft cake." Soft cake, as the name suggests, is fluffy and fragrant, tasty and non-sticky. Soft cake is snow-white, flaky, thin as paper, placed in a retort. The retort's insulation is excellent, and when the cake seller flips open the lid of the retort and lifts up the gauze, the hot steam will fill the room at once. The soft cake seller has a masterpiece, his cauldron neither shoulder nor hand-held, but on top of the head. As he walks along, he shouts "Oh" (O sound). The voice dragged a long time, and thick and low. The soft cake is a favorite food of the elderly and children.

Because it is mobile so they are in the general will go to a crowded place stalls, more common in hospitals, parks door.