1, Qimen Black Tea: referred to as Qihong for short, produced in Qimen County, the branch of Huangshan Mountain in the southwest of Anhui Province, China. Qihong has a tight and even appearance, beautiful front and beautiful seedlings, moist color, clear fragrance and honey fragrance, which contains orchid fragrance. Clear drinking can best taste the meaningful aroma of Qihong, even if fresh milk is added, it will not lose its fragrance.

2. Ceylon highland black tea: Wuwo tea is the most famous, and it is made into broken tea, which is reddish brown. It is produced on the east side of the mountainous area, and it is filled with fog all the year round. In winter, the northeast monsoon brings rainfall, and the quality is the best from July to September.

3. Assam Black Tea: Produced in Assam Valley in the foothills of Assam Himalayas in northeast India. The local sunshine is strong and the rainfall is abundant, which promotes the vigorous development of tropical Assam big leaf tea tree. The quality picked from June to July is the best, and the autumn tea produced from 10 to 1 1 month is more fragrant;

4. Darjeeling Black Tea: It is produced in the Darjeeling Plateau at the foot of the Himalayas in northern West Bengal, India. The local average annual temperature is about 15 degrees Celsius, and there is plenty of sunshine during the day, but the temperature difference between day and night is large, and the valley is filled with clouds all the year round, which is a major factor that breeds the unique fragrance of this tea. The quality of tea from May to June is the best.