| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 911.81 | USD | 20250821 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 883.75 | USD | 20250821 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 882.55 | USD | 20250820 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 966.6 | USD | 20250820 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 952.59 | USD | 20250820 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 882.55 | USD | 20250820 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 938.59 | USD | 20250820 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 882.86 | USD | 20250819 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 938.91 | USD | 20250819 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 882.86 | USD | 20250819 |