| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 1184.27 | USD | 20251021 |
| Wanhua Yantai | China national standards | MT | 879.74 | USD | 20251021 |
| Shandong Kaitai Petro | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Kaitai Petro | China national standards | MT | 888.2 | USD | 20251021 |
| Shandong Yihe Chem | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Mingyu | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Mingyu | China national standards | MT | 888.2 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 986.89 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 916.4 | USD | 20251021 |
| Jinan Aochen Chem | China national standards | MT | 1240.66 | USD | 20251021 |