Pu'er City. According to the official website of Xishuangbanna Nashantou Agriculture Co., Ltd., we learned that Nashantou trademark tea has a production base in Pu'er City and is produced in Pu'er City. Xishuangbanna Nashantou Agriculture Co., Ltd. was established in 2018 and is located in Xishuangbanna Dai Autonomous Prefecture, Yunnan Province. It is an enterprise mainly engaged in the wholesale industry.