Concept of thermos bottle. The thermos bottle is mainly a high vacuum heat breaking technology. The double-layer stainless steel structure is used in the bottle,
At present, the water bottles on the market are mainly divided into glass, plastic, aluminum and stainless steel water bottles according to the materials. Glass
Now there are many insulated water bottles in the market. They don't need special cleaning when they are bought. They have been disinfected before they
There is no strict difference between the two types of thermos water bottle design, the push-button type thermos water bottle and the ordinary screw cover