| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2045.68 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2044.33 | USD | 20251024 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2044.33 | USD | 20251024 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2044.61 | USD | 20251023 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2044.61 | USD | 20251023 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2043.58 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2043.58 | USD | 20251022 |
| 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 | 2044.27 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2043.03 | USD | 20251020 |