No.

The labeling rule is that pressed tea has 4 digits and loose tea has 5 digits. The first two digits are the year when the manufacturer created the product, and the last digit is the code name of the factory.

Chunhai Tea Factory in Menghai County, Xishuangbanna, Yunnan is a well-known enterprise in the production of Pu'er tea. Chunhai Tea Factory began to mature in 2003, and its production volume reached several hundred tons in 2006, ranking among the top in the Menghai region. five.