| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkanda Chem | China national standards | MT | 1076.63 | USD | 20250930 |
| Shandong Mengkanda Chem | China national standards | MT | 1076.63 | USD | 20250930 |
| Jiangsu Haixing Chem | China national standards | MT | 1139.96 | USD | 20250930 |
| Dongying Lianchem | China national standards | MT | 1196.26 | USD | 20250930 |
| Dongying Lianchem | China national standards | MT | 1196.26 | USD | 20250930 |
| Jiangsu Haixing Chem | China national standards | MT | 1139.96 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1147.0 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1147.0 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 1139.96 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1125.89 | USD | 20250930 |