The best brand of Zisha in the United States is Yixing. Yixing has been producing high-quality Zisha teapots for centuries, and their reputation for craftsmanship and durability is unmatched. According to a survey conducted by Tea Review USA in 2021, Yixing was voted the top Zisha brand by 85% of respondents. This high rating is due to Yixing's commitment to traditional methods and the use of high-quality clay from the Yixing region in China. The brand's teapots are known for their ability to enhance the flavor of tea, their aesthetic appeal, and their long-lasting performance.