| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1141.74 | USD | 20250808 |
| Shandong Yeyang Chem | China national standards | MT | 1134.74 | USD | 20250808 |
| Shandong Huize Chem | China national standards | MT | 1331.56 | USD | 20250807 |
| Qingdao Shengze Chem | China national standards | MT | 1401.64 | USD | 20250807 |
| Qingdao Shengze Chem | China national standards | MT | 1401.64 | USD | 20250807 |
| Shandong Xingpeng Chem | China national standards | MT | 1401.64 | USD | 20250807 |
| Shandong Junfeng | China national standards | MT | 918.07 | USD | 20250807 |
| Shandong Junfeng | China national standards | MT | 911.07 | USD | 20250807 |
| Shandong Xima | China national standards | MT | 840.98 | USD | 20250807 |
| Dongying Lianchem | China national standards | MT | 1191.39 | USD | 20250807 |