| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 537.03 | USD | 20251201 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.23 | USD | 20251201 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.75 | USD | 20251126 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.18 | USD | 20251126 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.13 | USD | 20251125 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.53 | USD | 20251125 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.1 | USD | 20251124 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.37 | USD | 20251124 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.1 | USD | 20251124 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.16 | USD | 20251121 |