| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 1570.33 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 1556.18 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 1570.33 | USD | 20251211 |
| Shandong Haili Chem | China national standards | MT | 1697.65 | USD | 20251211 |
| Weifang Yixin Chem | China national standards | MT | 1733.02 | USD | 20251211 |
| Zibo Feiyuan Chem | China national standards | MT | 1556.18 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Hubei 789 Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 1513.74 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 1513.74 | USD | 20251211 |