| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1540.44 | USD | 20251201 |
| Xiamen Yudeshun Chem | China national standards | MT | 1512.18 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 1582.84 | USD | 20251201 |
| Shandong Yuxuan Chem | China national standards | MT | 1823.09 | USD | 20251201 |
| Dongying Lianchem | China national standards | MT | 1201.26 | USD | 20251201 |
| Dongying Lianchem | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Junfeng | China national standards | MT | 925.68 | USD | 20251201 |
| Shandong Junfeng | China national standards | MT | 918.61 | USD | 20251201 |
| JS Yangnong Chem | China national standards | MT | 855.01 | USD | 20251201 |