Introduces the difference between soda and soda　　We know that many daily necessities are made without chemical raw materials, such as soap, detergent, toilet cleaning, washing powder, and some substances in the production of food can also play a greater role, such as baking soda and soda, in many no

Preservatives are a foreign word. They were first mentioned by European scholars in ancient Egypt to prevent the decay of corpses. With the deepening of research, it has been found that organisms are mainly caused by microbial growth, reproduction or oxidation. Therefore, preservatives are substance

Committee office of the state council on May 8, 2019, issued in 2019 by the implementation of the "safe production month" and "safe production wan lixing" the activities of the notice, to determine the safety in production, 2019 the theme of "risk prevention, in addition to the hidden danger, halt t