| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1198.57 | USD | 20251023 |
| Sinopec | China national standards | MT | 1128.06 | USD | 20251023 |
| Lihuayi Shandong | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Junfeng | China national standards | MT | 987.06 | USD | 20251023 |
| Beijing Yanshan Petro | China national standards | MT | 1156.26 | USD | 20251023 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1325.47 | USD | 20251023 |
| Aite Zhejiang | China national standards | MT | 1311.37 | USD | 20251023 |
| Aite Zhejiang | China national standards | MT | 1156.26 | USD | 20251023 |
| Shandong Laya Chem | China national standards | MT | 972.95 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 1198.57 | USD | 20251023 |