The current national standard for rice is: GB/T1354-2018. As long as this standard number is printed on the label, it means that the quality and hygiene of this rice meet the national requirements.

Here is a collection of information on the origin, grade and shelf life of rice. The most important thing is to see if there is a national implementation standard number. This string of numbers is very important.

Plastic packaging bag is a kind of packaging bag that uses plastic as raw material and is used to produce various supplies in daily life. It is widely used in daily life and industrial production, but this temporary convenience brings long-term consequences. harm. Commonly used plastic packaging bags are mostly made of polyethylene film, which is non-toxic and can be used to hold food.

There is also a film made of polyvinyl chloride. PVC itself is non-toxic, but the additives added according to the purpose of the film are often substances harmful to the human body and have a certain degree of toxicity. Therefore, this type of film and plastic bags made of this film are not suitable for holding food.