| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251118 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251118 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.66 | USD | 20251117 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.66 | USD | 20251117 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.87 | USD | 20251117 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.87 | USD | 20251117 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.76 | USD | 20251114 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.56 | USD | 20251114 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.56 | USD | 20251114 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.76 | USD | 20251114 |