| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 450.14 | USD | 20250929 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.94 | USD | 20250929 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.33 | USD | 20250928 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250928 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.58 | USD | 20250928 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250927 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.58 | USD | 20250927 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 449.74 | USD | 20250927 |
| 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 | 407.58 | USD | 20250926 |