| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1521.71 | USD | 20251020 |
| Shandong Xima | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Junfeng | China national standards | MT | 922.89 | USD | 20251020 |
| JS Yangnong Chem | China national standards | MT | 852.44 | USD | 20251020 |
| Shandong Junfeng | China national standards | MT | 915.84 | USD | 20251020 |
| Jinan Dezheng Chem | China national standards | MT | 1634.42 | USD | 20251020 |
| Shandong Yuxuan Chem | China national standards | MT | 1859.86 | USD | 20251020 |
| Nantong Zhonghe Chem | China national standards | MT | 1789.41 | USD | 20251020 |
| Jinan Jiaxing Chem | China national standards | MT | 1127.19 | USD | 20251020 |
| Xiamen Yudeshun Chem | China national standards | MT | 1507.62 | USD | 20251020 |