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Poor disposable plastic lunch boxes are popular in some small restaurants because they are cheap and can be bought for a few cents. For example, a large number of industrial grade calcium carbonate, talcum powder, paraffin and other toxic and harmful materials are generally added to the production of low-quality lunch boxes, posing a direct threat to the health of users.
The counterfeit environment-friendly plastic lunch box is soft to touch, and it will crack when it is gently torn. It smells pungent and chokes eyes, and it is easy to leak in case of heat deformation; The counterfeit pulp lunch box has poor strength, dark color, and serious oil and water leakage; There is no factory name, trademark or production date on the packing case and lunch box; The counterfeit lunch box is heavier than the qualified product, and it is easy to sink when it is put into water after being torn (the proportion of qualified product is less than 1, and it will not sink); The price is cheap, generally below 0.10 yuan, while the price of a real environment-friendly lunch box is above 0.13 yuan.
The regular manufacturer will mark QS logo on the main wheat of the box, as well as the name, brand, address and telephone number of the manufacturer; There is a certificate in each box, on which the material, production date, product standard number and instructions for use of the product are shown; In addition, the sealing method is also different. Generally, I type sealing is used up and down; Also, it is important to ask the supplier to provide relevant procedures, that is, three certificates.