| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 528.21 | USD | 20251015 |
| Beijing Yanshan Petro | China national standards | MT | 600.04 | USD | 20251015 |
| Lihuayi Weiyuan Chem | China national standards | MT | 577.51 | USD | 20251015 |
| Shandong Junfeng | China national standards | MT | 619.76 | USD | 20251015 |
| Shandong Fusheng | China national standards | MT | 704.27 | USD | 20251015 |
| Shandong Fusheng | China national standards | MT | 704.27 | USD | 20251015 |
| Shandong Jinwen Chem | China national standards | MT | 507.08 | USD | 20251015 |
| CNPC | China national standards | MT | 635.26 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 626.8 | USD | 20251015 |
| Beijing Yanshan Petro | China national standards | MT | 633.85 | USD | 20251015 |