| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 852.5 | USD | 20251016 |
| Shandong Zhiheng | China national standards | MT | 704.54 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 704.54 | USD | 20251016 |
| Wuhan Hengjiu Chem | China national standards | MT | 789.09 | USD | 20251016 |
| Wuhan Hengjiu Chem | China national standards | MT | 789.09 | USD | 20251016 |
| Wuhan Hengjiu Chem | China national standards | MT | 789.09 | USD | 20251016 |
| Shandong Aite Chem | China national standards | MT | 746.53 | USD | 20251015 |
| Shandong Aite Chem | China national standards | MT | 746.53 | USD | 20251015 |
| Shandong Aite Chem | China national standards | MT | 746.53 | USD | 20251015 |
| Shandong Aite Chem | China national standards | MT | 746.53 | USD | 20251015 |