| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.52 | USD | 20251115 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.52 | USD | 20251115 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.52 | USD | 20251114 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.0 | USD | 20251111 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.0 | USD | 20251111 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.13 | USD | 20251110 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.38 | USD | 20251108 |