It is widely used in foodstuff for cooking and mixing, specially used for viscous materials (such as pies, jams, pickles and seasoning etc). It was also adopted by the large-scale restaurant or refectory for cooking the soup, gruel or vegetable, stewing and etc.
Gas heating transfer oil, the transfer oil filled inside jacket, that the whole bowl could receive the heating generally, evenly. That could make sure the good quality of the processing material.