The Yong Zhen 永镇 brand belongs under the Yongde Xin Wen Tea Factory in the Lin Cang area of Yunnan. The factory was founded in 1999. Originally it had a single owner, which changed in 2006. Since then it has two production areas on a total of 0.64 hectares with its own large factory. Seasonal production is 200 tons of red and pu’er tea in both loose and pressed forms.