| 1. Chinese Name: Selenium-Tellurium Bismuth, Selenium-Doped Bismuth Telluride, N-Type Bismuth Telluride |
| 2. Chemical Formula: Bi₂Te₂.₇Se₀.₃ |
| 3. Product Purity: 99.99%, 99.999%, 99.9999% |
| 4. Physical Form: Blocks, Granules, Powder |
| 5. Product Packaging: Vacuum-sealed bags or bottles; packaging can also be customized according to customer requirements. |
