| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.24 | USD | 20251025 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.24 | USD | 20251024 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.34 | USD | 20251023 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 746.96 | USD | 20251022 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.22 | USD | 20251021 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 746.76 | USD | 20251020 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.02 | USD | 20251018 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.02 | USD | 20251017 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.02 | USD | 20251017 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 746.82 | USD | 20251016 |