| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1401.23 | USD | 20250805 |
| Qingdao Shengze Chem | China national standards | MT | 1401.23 | USD | 20250805 |
| Shandong Xingpeng Chem | China national standards | MT | 1401.23 | USD | 20250805 |
| Shandong Xima | China national standards | MT | 1008.88 | USD | 20250805 |
| Dongying Lianchem | China national standards | MT | 1191.04 | USD | 20250805 |
| Jiangsu Haixing Chem | China national standards | MT | 1134.99 | USD | 20250805 |
| Shandong Qiangsen Chem | China national standards | MT | 1050.92 | USD | 20250805 |
| Shandong Langchem | China national standards | MT | 1165.82 | USD | 20250805 |
| Shandong Langchem | China national standards | MT | 1165.82 | USD | 20250805 |
| Shandong Langchem | China national standards | MT | 1177.03 | USD | 20250805 |