| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.41 | 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 | 408.17 | USD | 20251011 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.84 | USD | 20251011 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.84 | USD | 20251011 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251011 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251011 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251010 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.84 | USD | 20251010 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251010 |