| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 437.69 | USD | 20251125 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.45 | USD | 20251125 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 437.69 | USD | 20251125 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 437.56 | USD | 20251124 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 437.56 | USD | 20251124 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.45 | USD | 20251124 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 437.39 | USD | 20251123 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 437.39 | USD | 20251122 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 1199.29 | USD | 20251121 |