comparison of pros and cons 1. simple identification method of thermal insulation performance: pour boiling water into the thermos cup and tighten the cork or lid c...

the principle of the thermos cup is that it has a two-layer structure with a high vacuum state in the middle, which can block convection and heat dissipation. at th...

the exterior is smooth and odorless. after pouring boiling water, the thermos cup that does not feel hot in your hand can be called a good cup. the inside and outsi...

one: when buying a vacuum flask, you must go to a regular store to buy it, at least from the source of goods, and dont endanger your health for petty profits; 2: wh...

1. in order to prolong the service life of the kettle, the mineral deposits in the kettle should be cleaned regularly.2. when cleaning, be sure to disconnect the pow...

vacuum insulation cup manufacturers: what does the length of the vacuum insulation cup hold?1. the length of the heat preservation time of the vacuum insulation cup ...