| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251031 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251031 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.92 | USD | 20251030 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.92 | USD | 20251030 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |