| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 866.82 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 747.02 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 747.02 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 747.02 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 634.26 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 775.2 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 789.3 | USD | 20251017 |
| Shandong Yeyang Chem | China national standards | MT | 761.11 | USD | 20251017 |
| Shandong Zhiheng | China national standards | MT | 704.73 | USD | 20251017 |
| Qingdao Chengxin Chem | China national standards | MT | 690.45 | USD | 20251016 |