Anning City is a county-level city in Kunming City, Yunnan Province, China, with rich varieties of tea and a long history of tea culture. As far as I know, there are the following famous tea factories in Anning City:

1. Kunming Huicha Anning Tea Factory: Founded on 1953, it is one of the earliest black tea production enterprises in Yunnan Province and also an AA-level enterprise recognized by the national agricultural department. The main products are Dianhong and Biluochun.

2. Anning Tea Factory: Established in 1965, it is a large-scale modern enterprise integrating tea production, sales and scientific research. The main products are Anning Maojian and Anning Bai Hao Silver Needle.

3. Jinjiling Tea Factory, Anning District, Kunming City: Founded in 1970, it is an enterprise specializing in producing and selling Yunnan Pu 'er tea. The main products are Pu 'er tea, Yunnan big leaf Pu 'er tea and Xiaoqing orange Pu 'er tea.

4. Menglian Dayi Anning Branch: affiliated to Yunnan Tea Import and Export Co., Ltd., it is mainly engaged in the production and sales of Anning tea, providing customers at home and abroad with high-quality Anning Maojian tea, Anning white tea, Pu 'er tea and other products.

The above tea factories not only have a long history, but also have excellent product quality, which is deeply loved by consumers.