| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.13 | USD | 20251030 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.13 | USD | 20251030 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.25 | USD | 20251030 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.25 | USD | 20251030 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.52 | USD | 20251029 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.52 | USD | 20251029 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.36 | USD | 20251029 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.36 | USD | 20251029 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251028 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |