Jianwei Beihai is different from the common thick-meat Beihai and Yin-Yang Du Beihai. The meat of Jianwei Beihai fish maw is relatively soft, especially the meat of some old maws, and it tastes much less fishy than Yin-Yang Du Beihai.

Beihai yin and yang tripe, also known as Beihai yin and yang fish maw/fish maw, is a type of North Sea isinglass. The main producing areas are Suriname and the North Sea of ??Brazil.

Beihai Yin-Yang tripe is generally not too big, with a maximum of about 2 taels to 3 taels (about 50-100g). There is no male or female distinction between Beihai Yin-Yang tripe.

The function of Beihai Jianwei is to focus on beauty and beauty, supplement collagen, improve skin, etc.

Of course, this does not mean that Jianwei fish maw does not have the effect of replenishing blood and Qi. In fact, it does.