| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Yantai | China national standards | MT | 886.64 | USD | 20250930 |
| Wanhua Yantai | China national standards | MT | 985.15 | USD | 20250930 |
| Wanhua Yantai | China national standards | MT | 788.12 | USD | 20250930 |
| Wanhua Yantai | China national standards | MT | 893.67 | USD | 20250930 |
| Shandong Kaitai Petro | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Kaitai Petro | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Mingyu | China national standards | MT | 1224.4 | USD | 20250930 |
| Shandong Mingyu | China national standards | MT | 1027.37 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1196.26 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 957.01 | USD | 20250930 |