| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1480.58 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 1431.23 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 1099.86 | USD | 20251023 |
| Shandong Junfeng | China national standards | MT | 1057.56 | USD | 20251023 |
| Jinan Aochen Chem | China national standards | MT | 1551.09 | USD | 20251023 |
| Shandong Zhenkun | China national standards | MT | 998.34 | USD | 20251023 |
| Shandong Junfeng | China national standards | MT | 1057.56 | USD | 20251023 |
| Shandong Yihe Chem | China national standards | MT | 987.06 | USD | 20251023 |
| Jinan Aochen Chem | China national standards | MT | 1550.3 | USD | 20251022 |
| Shandong Yuxuan Chem | China national standards | MT | 1352.99 | USD | 20251022 |