| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.37 | USD | 20251107 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.37 | USD | 20251107 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251106 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251106 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.33 | USD | 20251105 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.33 | USD | 20251105 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.59 | USD | 20251104 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.59 | USD | 20251104 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |