In pics: Pu’er tea-cake making procedures at Menghai Tea Factory, south Yunnan

4. Entwisting and kneading 

5. Sunning

6. Weighing

Menghai Tea Factory was formally established in 1940 by a group of over 90 tea professionals with origins from all over China. Possibly the oldest of its kind in Yunnan, the tea factory is well known for its old raw Pu’er tea cakes and is highly reputed in the tea industry of China.