Qimen black tea, referred to as Qihong for short, is produced in Qimen County in the branch area of Huangshan Mountain in southwest Anhui Province. The local tea varieties have high yield and high quality, planted in fertile red and yellow soil, and have mild climate, abundant rainfall and moderate sunshine, so the leaves are tender and rich in water-soluble substances, and the quality harvested in August is the best.

2. Assam black tea

Produced in Assam Valley in the foothills of Assam Himalayas in northeast India. The local sunshine is strong, so it is necessary to plant another tree to cover the tea tree moderately; Because of the abundant rainfall, the tropical Assam big leaf tea tree is promoted to flourish.

3. Darjeeling Black Tea

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, 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.

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