| Vendor | Spec | Unit | Price | Currency | Date |
| Anpon Jiangsu | China national standards | MT | 1166.54 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1166.54 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1166.54 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1163.74 | USD | 20250818 |
| Jiangsu Haixing Chem | China national standards | MT | 1135.69 | USD | 20250818 |
| Jiangsu Haixing Chem | China national standards | MT | 1135.69 | USD | 20250818 |
| Dongying Lianchem | China national standards | MT | 1191.78 | USD | 20250818 |
| Dongying Lianchem | China national standards | MT | 1191.78 | USD | 20250818 |
| Shandong Yeyang Chem | China national standards | MT | 1135.69 | USD | 20250818 |
| Shandong Yeyang Chem | China national standards | MT | 1142.7 | USD | 20250818 |