| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2051.33 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2051.33 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2049.38 | USD | 20251210 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2049.38 | USD | 20251210 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2048.8 | USD | 20251209 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2048.8 | USD | 20251209 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2049.06 | USD | 20251208 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2049.06 | USD | 20251208 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2049.5 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2049.5 | USD | 20251205 |