| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.44 | USD | 20251115 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.44 | USD | 20251114 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.01 | USD | 20251113 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.0 | USD | 20251111 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.0 | USD | 20251111 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251110 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.32 | USD | 20251108 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.32 | USD | 20251107 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 762.01 | USD | 20251106 |