| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2044.27 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2043.03 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2043.03 | USD | 20251020 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2043.72 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2043.72 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2043.17 | USD | 20251016 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2043.17 | USD | 20251016 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2042.4 | USD | 20251015 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2042.4 | USD | 20251015 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2041.65 | USD | 20251014 |