| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1202.5 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1202.5 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.36 | USD | 20251210 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.36 | USD | 20251210 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.02 | USD | 20251209 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.02 | USD | 20251209 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.18 | USD | 20251208 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.43 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.43 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.7 | USD | 20251204 |