| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1510.6 | USD | 20251112 |
| Hunan JinyuChem | China national standards | MT | 1602.36 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1171.77 | USD | 20251112 |
| Dongying Lianchem | China national standards | MT | 1200.01 | USD | 20251112 |
| JS Yangnong Chem | China national standards | MT | 1482.36 | USD | 20251112 |
| Jinan Pulaihua Chem | China national standards | MT | 1482.36 | USD | 20251112 |
| Shandong Haili Chem | China national standards | MT | 1694.13 | USD | 20251112 |
| Shandong Mengkanda Chem | China national standards | MT | 1080.01 | USD | 20251112 |
| Zibo Feiyuan Chem | China national standards | MT | 1552.95 | USD | 20251112 |
| Shandong Yaoming Chem | China national standards | MT | 1080.01 | USD | 20251112 |