The core advantages of Xiangxi oolong black tea lie in the unique nutritional endowment endowed by selenium rich soil, the fresh, refreshing and mellow taste brought by high amino acid content, and the differentiated flavor of process integration and innovation. Natural selenium rich resources: produced in the natural selenium rich zone of Wuling Mountain area (with an average soil selenium content of about 0.49mg/kg and tea up to 0.8mg/kg), it has a scarce "selenium rich" health label.

The content of substances is extremely high: some varieties (such as gold tea raw materials) have amino acid content as high as 6.8% -7.47% (twice that of ordinary tea), and the water extract is nearly 50%, laying the foundation for "freshness, refreshment, and concentration".