| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1075.18 | USD | 20251211 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1074.16 | USD | 20251210 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1073.86 | USD | 20251209 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251206 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1102.74 | USD | 20251204 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1102.41 | USD | 20251203 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1101.79 | USD | 20251202 |