| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1401.8 | USD | 20250814 |
| Qingdao Shengze Chem | China national standards | MT | 1401.8 | USD | 20250814 |
| Shandong Xingpeng Chem | China national standards | MT | 1401.8 | USD | 20250814 |
| Shandong Xima | China national standards | MT | 841.08 | USD | 20250814 |
| Shandong Yeyang Chem | China national standards | MT | 1142.46 | USD | 20250814 |
| Shandong Yeyang Chem | China national standards | MT | 1135.46 | USD | 20250814 |
| Shandong Qiangsen Chem | China national standards | MT | 1051.35 | USD | 20250814 |
| Shandong Langchem | China national standards | MT | 1166.3 | USD | 20250814 |
| Shandong Langchem | China national standards | MT | 1166.3 | USD | 20250814 |
| Shandong Langchem | China national standards | MT | 1166.3 | USD | 20250814 |