| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 882.13 | USD | 20250812 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 966.14 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 882.13 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 966.14 | USD | 20250812 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 938.14 | USD | 20250812 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 966.32 | USD | 20250811 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 882.29 | USD | 20250811 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 966.32 | USD | 20250811 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 938.31 | USD | 20250811 |