| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 988.35 | USD | 20251114 |
| Jinan Aochen Chem | China national standards | MT | 917.76 | USD | 20251114 |
| Shandong Kaitai Petro | China national standards | MT | 917.24 | USD | 20251113 |
| Shandong Yeyang Chem | China national standards | MT | 818.46 | USD | 20251113 |
| Hubei 789 Chem | China national standards | MT | 818.46 | USD | 20251113 |
| Shandong Yaoming Chem | China national standards | MT | 832.57 | USD | 20251113 |
| Wanhua Yantai | China national standards | MT | 818.46 | USD | 20251113 |
| Shandong Yaoming Chem | China national standards | MT | 832.57 | USD | 20251113 |
| Wanhua Yantai | China national standards | MT | 896.07 | USD | 20251113 |
| Shandong Mingyu | China national standards | MT | 889.01 | USD | 20251113 |