| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250926 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 450.34 | USD | 20250925 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250925 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.79 | USD | 20250925 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250925 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 450.34 | USD | 20250924 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250924 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250924 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.79 | USD | 20250924 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.79 | USD | 20250924 |