| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 886.72 | USD | 20251010 |
| Wanhua Yantai | China national standards | MT | 816.35 | USD | 20251010 |
| Wanhua Yantai | China national standards | MT | 893.76 | USD | 20251010 |
| Shandong Kaitai Petro | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Kaitai Petro | China national standards | MT | 914.87 | USD | 20251010 |
| Shandong Yihe Chem | China national standards | MT | 788.2 | USD | 20251010 |
| Shandong Mingyu | China national standards | MT | 1224.52 | USD | 20251010 |
| Shandong Mingyu | China national standards | MT | 1027.47 | USD | 20251010 |
| Jinan Aochen Chem | China national standards | MT | 1196.37 | USD | 20251010 |
| Jinan Aochen Chem | China national standards | MT | 957.1 | USD | 20251010 |