| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.8 | USD | 20251119 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.8 | USD | 20251119 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251118 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251118 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.69 | USD | 20251117 |