| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 450.34 | USD | 20250923 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250923 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.12 | USD | 20250923 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.79 | USD | 20250923 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 450.03 | USD | 20250922 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.56 | USD | 20250922 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.84 | USD | 20250922 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.84 | USD | 20250922 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.45 | USD | 20250921 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.72 | USD | 20250920 |