Because tea is an agricultural product.

Since tea is an agricultural product and is deeply processed in agriculture, the standards, varieties, quality, and craftsmanship of tea in each province are different. Many of them are self-produced and sold. The trademark of tea is more troublesome, and it is difficult to form a brand for tea. , so tea packaging has no brand.

Tea, commonly known as tea, generally includes the leaves and buds of the tea tree.