| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 988.2 | USD | 20251107 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.78 | USD | 20251107 |
| Zibo Lishuo Chem | China national standards | MT | 988.2 | USD | 20251107 |
| Sinopec | China national standards | MT | 974.08 | USD | 20251107 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.72 | USD | 20251107 |
| Zibo Lishuo Chem | China national standards | MT | 988.2 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1334.07 | USD | 20251107 |
| Hubei 789 Chem | China national standards | MT | 1298.77 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1298.77 | USD | 20251107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1327.01 | USD | 20251107 |