| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Qixiang Chem | China national standards | MT | 846.44 | USD | 20251104 |
| Zibo Lishuo Chem | China national standards | MT | 818.23 | USD | 20251104 |
| Shandong QiFa Chem | China national standards | MT | 888.76 | USD | 20251104 |
| Shandong Jinwen Chem | China national standards | MT | 853.5 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 888.76 | USD | 20251104 |
| Shandong Yushuo Chem | China national standards | MT | 740.64 | USD | 20251104 |
| Zibo Lishuo Chem | China national standards | MT | 818.23 | USD | 20251104 |
| Shandong Hanyue Chem | China national standards | MT | 761.8 | USD | 20251104 |
| Shandong Hanyue Chem | China national standards | MT | 761.8 | USD | 20251104 |
| Shandong Fusheng | China national standards | MT | 747.69 | USD | 20251104 |