1, charge for the making of STH. Careful, check whether the welding technology,
2 and touch base, mouth flask, see whether it is coarse,
3 and check whether the lid GeFeng wine, without leaking may,
4, must pay attention to the choice, because only good brand brand will follow strict health standards,
5, as to understand the industry of the industry hygiene standards, because the flask from appearance is not only the material not only qualified, from the production process. So before the choose and buy as far as possible much learning.
