| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1156.88 | USD | 20251031 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1143.03 | USD | 20251030 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1143.03 | USD | 20251030 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1143.16 | USD | 20251028 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1142.76 | USD | 20251027 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1142.0 | USD | 20251026 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1142.0 | USD | 20251025 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1142.0 | USD | 20251024 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1142.16 | USD | 20251023 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1141.58 | USD | 20251022 |