| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.24 | USD | 20251027 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.65 | USD | 20251027 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.24 | USD | 20251027 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 422.96 | USD | 20251026 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 422.96 | USD | 20251024 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.42 | USD | 20251024 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 422.96 | USD | 20251024 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.47 | USD | 20251023 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 345.47 | USD | 20251023 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 408.92 | USD | 20251023 |