| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.82 | USD | 20251030 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.82 | USD | 20251030 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.47 | USD | 20251029 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.84 | USD | 20251029 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.84 | USD | 20251029 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.47 | USD | 20251029 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.36 | USD | 20251029 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.36 | USD | 20251029 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251028 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.77 | USD | 20251028 |