| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1166.56 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1166.56 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1163.75 | USD | 20250822 |
| Shandong Junfeng | China national standards | MT | 918.38 | USD | 20250822 |
| Shandong Junfeng | China national standards | MT | 911.37 | USD | 20250822 |
| Jiangsu Haixing Chem | China national standards | MT | 1135.71 | USD | 20250822 |
| Dongying Lianchem | China national standards | MT | 1191.79 | USD | 20250822 |
| Shandong Yeyang Chem | China national standards | MT | 1135.71 | USD | 20250822 |
| Shandong Yeyang Chem | China national standards | MT | 1142.72 | USD | 20250822 |
| Shandong Mengkanda Chem | China national standards | MT | 1072.62 | USD | 20250822 |