The historic Xiaguan Tea Factory（下关茶叶厂）was founded in 1941 in Xiaguan, Yunnan, China.
They sell tea at a wide range of price points and have won quite a few national awards.
They are famous for their toucha (沱茶) productions, which are popular among pu’er tea collectors.
Some of Xiaguan’s brands include:
Song He (松鹤), white crane
Bao Yan (宝焰), sold primarily in Tibet and is often used to make butter tea.
Nan Zhao (南诏), a high-end pu’er brand sold in Taiwan.
Ma Bei (马背), a tuocha brand
FT (fei tai)