| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 705.42 | USD | 20251031 |
| Jinan Jinrihe Chem | China national standards | MT | 705.42 | USD | 20251031 |
| Shandong Shuojia Chem | China national standards | MT | 712.47 | USD | 20251031 |
| Shandong Shuojia Chem | China national standards | MT | 712.47 | USD | 20251031 |
| Hubei 789 Chem | China national standards | MT | 775.96 | USD | 20251031 |
| Hubei 789 Chem | China national standards | MT | 775.96 | USD | 20251031 |
| Hubei 789 Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Shandong Yushuo Chem | China national standards | MT | 790.07 | USD | 20251031 |
| Shandong Fusheng | China national standards | MT | 747.74 | USD | 20251031 |
| Shandong Fusheng | China national standards | MT | 804.18 | USD | 20251031 |