| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 745.41 | USD | 20251009 |
| Wanhua Chem | China national standards | MT | 1019.66 | USD | 20251009 |
| Shaanxi Petro Yanan | China national standards | MT | 1059.04 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 815.73 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 815.73 | USD | 20251009 |
| Luxi Chem | China national standards | MT | 787.6 | USD | 20251009 |
| Nantong Zhonghe Chem | China national standards | MT | 801.67 | USD | 20251009 |
| Shandong Laya Chem | China national standards | MT | 787.6 | USD | 20251009 |
| Shandong Aite Chem | China national standards | MT | 1068.89 | USD | 20251009 |
| Shandong Aite Chem | China national standards | MT | 1068.89 | USD | 20251009 |