| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 874.41 | USD | 20251120 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 874.82 | USD | 20251119 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 875.01 | USD | 20251118 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 875.51 | USD | 20251117 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 875.4 | USD | 20251116 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 875.4 | USD | 20251115 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 875.4 | USD | 20251114 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 874.9 | USD | 20251113 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 875.3 | USD | 20251112 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 874.89 | USD | 20251111 |