| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 124.18 | USD | 20251106 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.23 | USD | 20251106 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 124.12 | USD | 20251105 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 535.96 | USD | 20251105 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 124.12 | USD | 20251105 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.08 | USD | 20251104 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 124.14 | USD | 20251104 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 124.18 | USD | 20251103 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 536.22 | USD | 20251103 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 124.15 | USD | 20251031 |