| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.24 | USD | 20251106 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 917.24 | USD | 20251106 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.12 | USD | 20251106 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 776.12 | USD | 20251106 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 775.73 | USD | 20251105 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 775.73 | USD | 20251105 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 916.77 | USD | 20251105 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 916.77 | USD | 20251105 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 916.98 | USD | 20251104 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 775.9 | USD | 20251104 |