1. According to the inquiry and purchase website, we know the place of origin: Yangxian Xueya is produced in Yixing City, Jiangsu Province, and is one of the famous teas in China. When purchasing, choose tea produced in Yixing to ensure the quality.
2. Brand selection: There are many Xueya brands in Yangxian County. You can choose well-known brands, including "Yifutang" and "Wu Yutai", with good reputation and reliable quality.