| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 952.59 | USD | 20250820 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 952.93 | USD | 20250819 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 966.94 | 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 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 882.86 | USD | 20250819 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 953.42 | USD | 20250818 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 883.32 | USD | 20250818 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 883.32 | USD | 20250818 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 967.44 | USD | 20250818 |