| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |