| Vendor | Spec | Unit | Price | Currency | Date |
| Jiangsu Haixing Chem | China national standards | MT | 1271.29 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 1638.56 | USD | 20251202 |
| Dongying Lianchem | China national standards | MT | 1200.67 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1172.42 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1175.24 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 1151.23 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1341.92 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1175.24 | USD | 20251202 |