| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.4 | USD | 20251107 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.4 | USD | 20251107 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.34 | USD | 20251106 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.23 | USD | 20251106 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.23 | USD | 20251106 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.23 | USD | 20251106 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.13 | USD | 20251105 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.13 | USD | 20251105 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.02 | USD | 20251105 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.22 | USD | 20251104 |