What is the name of Changyuchuan rectangular tea?

This kind of tea is called Pu 'er brick tea.

Pu 'er tea, also known as Yunnan Pu 'er brick tea or Yunnan Pu 'er square tea, is a famous local tea with rich historical background in Yunnan.

This kind of tea appeared in Guangxu period. In order to solve the problems of bulk products sold by ancient tea farmers to Shanxi merchants, such as large volume, light weight, inconvenient transportation and large consumption, brick tea production came into being.

For the quality requirements of Pu 'er brick tea, the shape and specifications should meet the requirements of this kind of tea. For example, the shape of tea in blocks or pieces should be flat, and individual pressing should be tight or tight.