| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 424.13 | USD | 20251204 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 494.82 | USD | 20251204 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 452.41 | USD | 20251204 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 438.14 | USD | 20251203 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 424.0 | USD | 20251203 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 452.27 | USD | 20251203 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 438.14 | USD | 20251203 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 438.14 | USD | 20251203 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.76 | USD | 20251202 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 452.02 | USD | 20251202 |