1. Quality characteristics: Anding Wuyun tea looks like a pine needle, with dark green color, high and lasting aroma, fresh and sweet taste, bright yellow-green soup color and green leaves. It has the characteristics of green tea color, quiet aroma, fresh and sweet taste and bright soup color.

2. Production technology: The production technology of diazepam cloud includes three steps: fixing, rolling and drying. In the process of enzyme fixation, the enzyme activity in tea was destroyed by high temperature, and the fermentation was inhibited, thus maintaining the green and fragrance of tea. The production process meets the standard of green tea.