| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1141.97 | USD | 20251021 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1141.28 | USD | 20251020 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1141.28 | USD | 20251020 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1141.67 | USD | 20251019 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1141.67 | USD | 20251018 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1155.76 | USD | 20251017 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1155.45 | USD | 20251016 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1154.59 | USD | 20251014 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1154.82 | USD | 20251013 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1154.15 | USD | 20251012 |