| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.46 | USD | 20251113 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.46 | USD | 20251113 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.83 | USD | 20251112 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.83 | USD | 20251112 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.45 | USD | 20251111 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.45 | USD | 20251111 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.56 | USD | 20251110 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.56 | USD | 20251110 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.79 | USD | 20251107 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.79 | USD | 20251107 |