| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 904.61 | USD | 20251207 |
| Qingdao Shengze Chem | China national standards | MT | 897.54 | USD | 20251207 |
| Shandong Zhenkun | China national standards | MT | 1081.29 | USD | 20251207 |
| Shandong Qiangsen Chem | China national standards | MT | 989.41 | USD | 20251206 |
| Qingdao Shengze Chem | China national standards | MT | 897.54 | USD | 20251206 |
| Shandong Yuxuan Chem | China national standards | MT | 1038.88 | USD | 20251206 |
| Shandong Laya Chem | China national standards | MT | 1003.55 | USD | 20251206 |
| Jinan Qi Mat | China national standards | MT | 939.94 | USD | 20251206 |
| Shandong Zhenkun | China national standards | MT | 1081.29 | USD | 20251206 |
| Liaocheng Yuanze Chem | China national standards | MT | 876.34 | USD | 20251206 |