| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.25 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.25 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.14 | USD | 20251125 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.14 | USD | 20251125 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.07 | USD | 20251124 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.07 | USD | 20251124 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.97 | USD | 20251121 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.97 | USD | 20251121 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.86 | USD | 20251120 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.86 | USD | 20251120 |