| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.26 | USD | 20250829 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 915.11 | USD | 20250829 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.54 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.83 | USD | 20250828 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 914.68 | USD | 20250828 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.54 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.54 | USD | 20250828 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.97 | USD | 20250828 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 970.35 | USD | 20250827 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.23 | USD | 20250827 |