Is there an age requirement for the contractor opposite the bakery in Shanghai?

There is no such thing. There is no age requirement for the contractor opposite the bakery in Shanghai. Bread, also called bread, is a kind of food made of five kinds of grains (especially wheat) by grinding and heating. Baked food is made of wheat flour as the main raw material, and yeast, eggs, oil, sugar and salt are added. As an auxiliary material, it is mixed with water to make dough, which is cut, shaped, proofed, baked and cooled.