Tea factory in China

The 3 main factory represent in China :
1. Menghai Tea Factory 勐海茶厂
2. Kunming Tea Factory 昆明茶厂
3. Xiaguan Tea Factor 下关茶厂

And others factory like :
1.Boyou
2.Chun Ming
3.Da Li Nan Jian
4.Meng Ku
5.Yi Bang Cha Ma6.etc ...