| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 601.92 | USD | 20251209 |
| Shandong Yihe Chem | China national standards | MT | 536.93 | USD | 20251209 |
| Shandong Junfeng | China national standards | MT | 621.71 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 592.74 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 579.32 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 678.22 | USD | 20251209 |
| Sinopec | China national standards | MT | 635.84 | USD | 20251209 |
| Shandong Fusheng | China national standards | MT | 508.67 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.58 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 628.77 | USD | 20251209 |