Menghai Tea Factory Central Asia Yin Hong is a tea brand with Menghai Tea Factory as its birthplace. The words "China Tea Red Seal" are printed on the outer packaging of tea, which is one of the symbols of China Tea Company (formerly known as China China Tea).

Menghai tea is one of the representative brands of tea in Pu 'er City, Yunnan Province. Chashan is distributed in Menghai County, Mengla County, Menglian County, Jiangcheng County and other places in Pu 'er City, with a planting area of more than 7,000 mu. Menghai tea is famous for its ancient tea tree tea, ancient raw tea, big tree Pu 'er tea and ancient tree snake tea, and it is a favorite brand of tea ceremony lovers. China Tea Red Seal is one of the representative teas of this brand.

China hongyin tea is compact in appearance, oily in color, rich in aroma, mellow in taste and long in aftertaste. The remote ancient tea produced by Menghai Tea Garden in Yunnan Province is evenly mixed with high-quality Dendrobium officinale, with fragrant entrance and comfortable taste, showing the perfect combination of tea essence and nature. China Tea Red Seal is one of the representative and well-known brands in Pu 'er tea.