Gunpowder tea is a kind of "round fried green", also known as "flat fried green", which belongs to fried green tea. Gunpowder tea is known as "green pearl" and is mainly sold in Northwest Africa. The United States and France also have certain markets. Natural gunpowder tea is made from fresh tea leaves with one bud, two or three leaves, or one bud, four or five leaves. Named for its origin in Pingshui Town, Shaoxing County, Zhejiang Province, it is refined into export tea called "ping green". According to its shape, aroma and taste, and the color after brewing, gunpowder tea can be divided into five grades and Not listed.
| Grade | Marking | Characterist |
| Premium | 3505 | Unity and integrity, heavy-body and clean |
| First Class | 9372 | Round tight, still clean, with yellow head slightly |
| Second Class | 9373 | Still round, with a slightly yellow head and tender stems |
| Third Class | 9374 | Round, with yellow buds and stems |
| Forth Class | 9375 | Round, slightly flattened, slightly stalked |
| Fifth Class | 9475 | Thick, with a few yellow flats, old stems |
No Ranking | 9575 | Round and flat, with some stems |
| 9675 | Round and flat, with relatively more stems | |
| 9775 | Smaller shape, with more stems |