| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1177.51 | USD | 20250814 |
| Dongying Lianchem | China national standards | MT | 1166.3 | USD | 20250814 |
| Shandong Langchem | China national standards | MT | 1163.49 | USD | 20250814 |
| Jiangsu Haixing Chem | China national standards | MT | 1135.46 | USD | 20250814 |
| Dongying Lianchem | China national standards | MT | 1191.53 | USD | 20250814 |
| Shandong Junfeng | China national standards | MT | 918.18 | USD | 20250814 |
| Shandong Junfeng | China national standards | MT | 911.17 | USD | 20250814 |
| Jiangsu Haixing Chem | China national standards | MT | 1135.25 | USD | 20250813 |
| Dongying Lianchem | China national standards | MT | 1191.31 | USD | 20250813 |
| Jiangsu Haixing Chem | China national standards | MT | 1135.25 | USD | 20250813 |