| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 514.95 | USD | 20251027 |
| Shandong Yihe Chem | China national standards | MT | 536.11 | USD | 20251027 |
| Shandong Junfeng | China national standards | MT | 620.76 | USD | 20251027 |
| Shandong Aite Chem | China national standards | MT | 493.79 | USD | 20251027 |
| Shandong Fusheng | China national standards | MT | 705.41 | USD | 20251027 |
| Shandong Fusheng | China national standards | MT | 564.33 | USD | 20251027 |
| Beijing Yanshan Petro | China national standards | MT | 522.0 | USD | 20251027 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.0 | USD | 20251027 |
| Shandong Jinwen Chem | China national standards | MT | 507.89 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 507.89 | USD | 20251027 |