| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 999.21 | USD | 20251028 |
| Shandong Zhiheng | China national standards | MT | 1333.69 | USD | 20251028 |
| Shandong Junfeng | China national standards | MT | 931.47 | USD | 20251028 |
| Shandong Junfeng | China national standards | MT | 1058.48 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1432.48 | USD | 20251028 |
| Shandong Yeyang Chem | China national standards | MT | 1114.94 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1432.48 | USD | 20251028 |
| Shandong Jinling Chem | China national standards | MT | 1121.6 | USD | 20251027 |
| Shandong Lifuda | China national standards | MT | 1121.6 | USD | 20251027 |
| Sinopec | China national standards | MT | 1146.99 | USD | 20251027 |