| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.53 | USD | 20251114 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.23 | USD | 20251113 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.07 | USD | 20251113 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.47 | USD | 20251112 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.12 | USD | 20251112 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.07 | USD | 20251111 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.22 | USD | 20251111 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.3 | USD | 20251110 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.08 | USD | 20251110 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 110.11 | USD | 20251107 |