| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.12 | USD | 20251112 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.0 | USD | 20251111 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.0 | USD | 20251111 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.04 | USD | 20251110 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.04 | USD | 20251110 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.11 | USD | 20251107 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.11 | USD | 20251107 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.0 | USD | 20251106 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 254.0 | USD | 20251106 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 253.88 | USD | 20251105 |