| Vendor | Spec | Unit | Price | Currency | Date |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.28 | USD | 20251121 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 437.39 | USD | 20251121 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 1199.29 | USD | 20251121 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 437.2 | USD | 20251120 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.3 | USD | 20251119 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 409.19 | USD | 20251119 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 423.3 | USD | 20251119 |
| 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 |