| Vendor | Spec | Unit | Price | Currency | Date |
| 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 | 407.86 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 435.99 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 436.28 | USD | 20251008 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 450.36 | USD | 20251008 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 450.36 | USD | 20251007 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 450.36 | USD | 20251005 |