| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 535.74 | USD | 20251021 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 535.41 | USD | 20251020 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.99 | USD | 20251020 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 124.03 | USD | 20251017 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 535.6 | USD | 20251017 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 535.45 | USD | 20251016 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 124.0 | USD | 20251016 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 535.25 | USD | 20251015 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.95 | USD | 20251015 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 535.05 | USD | 20251014 |