Mianbai sugar undergoes more refining and processing steps during production, making it fine-grained and soft. White sugar, on the other hand, is coarser and undergoes fewer processing steps, so it's usually slightly more expensive than white sugar.
Mian white sugar in order to taste, but also in the production process also added 2.5 percent of the conversion syrup, while white sugar does not. At the same time, the raw materials of white sugar to sugar cane-based, while the raw materials of white sugar is mainly sugar beet-based, so white sugar to be more expensive than white sugar.