1,Some products are too soft, easy to deformation after […]
1,Some products are too soft, easy to deformation after pouring water, and some even can not get up;
2, Part of the paper cup sealing is poor, easy to seep the bottom of the cup;
3, A small number of paper cup manufacturers, in order to make the cup more white, add a large number of fluorescent whitening agent. According to medical clinical trials, fluorescent substances can make cells mutate, once the fluorescent agent enters the human body, it will become a potential carcinogen.