| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 886.05 | USD | 20251009 |
| Wanhua Yantai | China national standards | MT | 886.05 | USD | 20251009 |
| Wanhua Yantai | China national standards | MT | 893.08 | USD | 20251009 |
| Shandong Kaitai Petro | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Kaitai Petro | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Kaitai Petro | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Yihe Chem | China national standards | MT | 787.6 | USD | 20251009 |
| Shandong Mingyu | China national standards | MT | 1026.69 | USD | 20251009 |
| Shandong Mingyu | China national standards | MT | 1223.59 | USD | 20251009 |
| Jinan Aochen Chem | China national standards | MT | 984.5 | USD | 20251009 |