The thermos cup is tightly sealed, and the vacuum insulation layer can delay the heat dissipation of the water and other liquids contained inside, so as to achieve the purpose of heat preservation, and the heat preservation effect is good.

All of us may have come into contact with thermos mugs of various qualities in our daily use. However, due to the limited consumption level in China, the quality of thermos mugs is also uneven. How to distinguish the quality of thermos mugs or not? Aspects:

1. Look, first look with your eyes. The color and texture of the vacuum flask can be observed with your eyes at first glance. The overall first feeling is because the spray paint used for high-quality products or stainless steel products is very soft and does not irritate yourself. eye.

2. Touching is to touch with your hands. A good thermos cup feels very good when you touch it with your hands. It feels smooth and comfortable. At the same time, you can feel the quality through the touch of your hands.

3. Listen, listen to the sound inside by opening the lid of the thermos cup to your ears. The greater the echo, the better the insulation effect.

4. Feel the perfection of the details. The overall details of a good vacuum flask are very important, the workmanship is more meticulous, and the design of many human parts is also in place.

The vacuum flask was quickly recognized and accepted by the market.