| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.46 | USD | 20250910 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.82 | USD | 20250909 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.82 | USD | 20250909 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.32 | USD | 20250909 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 492.9 | USD | 20250909 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.68 | USD | 20250908 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 492.76 | USD | 20250908 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.68 | USD | 20250908 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 563.15 | USD | 20250908 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 478.44 | USD | 20250907 |