| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 1116.56 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 1335.63 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 1385.1 | USD | 20251210 |
| Shandong Yihe Chem | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1434.57 | USD | 20251210 |
| Shandong Zhenkun | China national standards | MT | 1000.66 | USD | 20251210 |
| Shandong Jinmao | China national standards | MT | 1300.3 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1060.03 | USD | 20251210 |