| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Youlixin Chem | China national standards | MT | 1017.54 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Xima | China national standards | MT | 876.21 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Daoqin Chem | China national standards | MT | 946.88 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 911.54 | USD | 20251201 |
| Shandong Yihe Chem | China national standards | MT | 1271.92 | USD | 20251201 |
| Shandong Yushuo Chem | China national standards | MT | 1003.41 | USD | 20251201 |