| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1190.18 | USD | 20250812 |
| Shandong Xima | China national standards | MT | 840.12 | USD | 20250812 |
| Shandong Yeyang Chem | China national standards | MT | 1134.17 | USD | 20250812 |
| Shandong Yeyang Chem | China national standards | MT | 1141.17 | USD | 20250812 |
| Shandong Qiangsen Chem | China national standards | MT | 1050.16 | USD | 20250812 |
| Shandong Xingpeng Chem | China national standards | MT | 1400.46 | USD | 20250811 |
| Qingdao Shengze Chem | China national standards | MT | 1400.46 | USD | 20250811 |
| Qingdao Shengze Chem | China national standards | MT | 1400.46 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 1162.38 | USD | 20250811 |
| Shandong Langchem | China national standards | MT | 1165.18 | USD | 20250811 |