| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.79 | USD | 20250929 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.68 | USD | 20250928 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 534.07 | USD | 20250928 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.68 | USD | 20250926 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 534.78 | USD | 20250925 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.84 | USD | 20250925 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.84 | USD | 20250924 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.84 | USD | 20250924 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.84 | USD | 20250924 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 534.78 | USD | 20250924 |