| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1002.03 | USD | 20251118 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1002.6 | USD | 20251117 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1002.47 | USD | 20251115 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1002.47 | USD | 20251115 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1002.47 | USD | 20251114 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1001.91 | USD | 20251113 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1002.36 | USD | 20251112 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1001.89 | USD | 20251111 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1001.89 | USD | 20251111 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1002.03 | USD | 20251110 |