Diangong produced by using the excellent Yunnan Dayezhong tea leaves, withering, rolling, or by rubbing and cutting, fermentation and baking processes into finished tea; then made tea and black tea black tea, made by kneading and cutting. The above procedures, for a long time, are manual operation. Dianhong tea picking 1, 3 leaf bud bud 2 leaves as raw material, withering, rolling, fermentation and drying; tea is Dianhong withering, kneading and cutting, fermentation and drying.