| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.28 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.63 | USD | 20251117 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.51 | USD | 20251117 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.63 | USD | 20251117 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251116 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.46 | USD | 20251115 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.58 | USD | 20251115 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.46 | USD | 20251114 |