| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 939.2 | USD | 20250814 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 883.13 | USD | 20250814 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 939.03 | USD | 20250813 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 882.97 | USD | 20250813 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 882.97 | USD | 20250813 |
| 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 Laya Chemical Co., Ltd. | China national standards | MT | 882.13 | USD | 20250812 |