| Vendor | Spec | Unit | Price | Currency | Date |
| Panjin Read Chem | China national standards | MT | 873.95 | USD | 20250925 |
| Jinan Jinrihe Chem | China national standards | MT | 956.98 | USD | 20250925 |
| Tongling ChemInd | China national standards | MT | 872.54 | USD | 20250925 |
| Zhenjiang UnionChem | China national standards | MT | 872.54 | USD | 20250925 |
| Shandong Hongyang Chem | China national standards | MT | 1027.34 | USD | 20250925 |
| Shandong Huize Chem | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Xima | China national standards | MT | 971.05 | USD | 20250925 |
| Shandong Yushuo Chem | China national standards | MT | 900.69 | USD | 20250925 |
| Lihuayi Shandong | China national standards | MT | 1027.34 | USD | 20250924 |
| Shandong Yushuo Chem | China national standards | MT | 844.39 | USD | 20250924 |