| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.48 | USD | 20251015 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.65 | USD | 20251015 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.48 | USD | 20251015 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.49 | USD | 20251014 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.33 | USD | 20251014 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.97 | USD | 20251014 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.49 | USD | 20251014 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.04 | USD | 20251013 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.58 | USD | 20251013 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.41 | USD | 20251013 |