Published on Jan.6, 2023 In the middle of September, the old tree mao cha was piled for fermentation in Song Shan Tea Plant of Yongde in Southwest Yunnan. Spring water was sprayed on the mao cha to moisten the tea for fermentation. The quality of water is very important to the quality of outcome shu … Continue reading The Manufactuering of Real Old Tree Shu Pu-erh Ⅲ