there are many ways to remove the limescale on the vacuum flask, some people say vinegar, or toothpaste and so on. the specific method is given below: you can add a...

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...

unknowingly, it has entered the cold winter again. drinking more hot and warm water can warm the body and mind. the natural thermos cup has been sought after and lov...

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...

when you have a thermos mug, its quality and capacity are a foregone conclusion. if you want to improve the insulation effect of the thermos mug, you can only start...

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...