| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 449.89 | USD | 20250920 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 449.89 | USD | 20250919 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 435.83 | USD | 20250919 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.45 | USD | 20250919 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.45 | USD | 20250919 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.72 | USD | 20250919 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 450.17 | USD | 20250918 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.66 | USD | 20250918 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.66 | USD | 20250918 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.1 | USD | 20250918 |