| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 476.61 | USD | 20250814 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 490.54 | USD | 20250813 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 476.52 | USD | 20250813 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 560.62 | USD | 20250813 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 560.08 | USD | 20250812 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 476.07 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 490.07 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 490.16 | USD | 20250811 |
| Shandong Chengshuo Chemical Co., Ltd. | China national standards | MT | 602.2 | USD | 20250811 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 560.18 | USD | 20250811 |