| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.74 | USD | 20251017 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.82 | USD | 20251016 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.82 | USD | 20251016 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.82 | USD | 20251016 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.23 | USD | 20251016 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.82 | USD | 20251016 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.63 | USD | 20251016 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.82 | USD | 20251016 |
| 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 |