| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Qixiang Chem | China national standards | MT | 714.5 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 727.93 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 699.66 | USD | 20251205 |
| Jinan Jinrihe Chem | China national standards | MT | 699.66 | USD | 20251205 |
| Xiangfen Longteng | China national standards | MT | 848.07 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 727.93 | USD | 20251205 |
| Hubei 789 Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Hubei 789 Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 727.93 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 727.93 | USD | 20251205 |