The heavier the weight of pure copper soup, the longer the heat preservation time.

The heavier the weight of pure copper soup, the longer the heat preservation time.

1, Tang Nv's material is mostly brass, as well as copper, enamel and stainless steel. The shape is mainly oblate, with a small mouth and a big belly, and a handle on the shoulder for easy lifting. There is also a long melon shape. Brass soup girl is more insulation and durable. Because brass has good heat transfer, the shell of Tonga is very hot after it is filled with boiling water, and it will be very hot after it is put under the bed for a while. Generally wrapped in a towel to prevent burns.

2. Tang Pozi, also known as "Tang Wuzi", is a flat bottle made of copper or tin. Soup in soup is a very familiar heating product since ancient times, and its function is similar to that of a hot water bottle. 2/kloc-At the beginning of the 20th century, nostalgia rose, and the traditional style of soup wife became a handicraft, which was very popular. In some places, Tang's wife is used as a bride's dowry and new house furnishings.

It works like a thermos bottle. By pouring hot water, it can achieve the effect of heat preservation and continuous heat dissipation, and keep people warm. A small "soup woman" has warmed countless people's long cold nights. Although Mrs. Tang has been replaced by hot water bottles and hand warmers, Mrs. Tang has also become a warm memory for many people.