| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Satellite Chem | China national standards | MT | 791.26 | USD | 20251209 |
| Wanhua Yantai | China national standards | MT | 791.26 | USD | 20251209 |
| Shandong Mingyu | China national standards | MT | 861.91 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1144.5 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 960.82 | USD | 20251209 |
| Shandong Laya Chem | China national standards | MT | 791.26 | USD | 20251209 |
| Aite Zhejiang | China national standards | MT | 890.17 | USD | 20251209 |
| Shandong Xima | China national standards | MT | 791.26 | USD | 20251209 |
| Sinopec | China national standards | MT | 777.13 | USD | 20251209 |