| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 620.35 | USD | 20251024 |
| Beijing Yanshan Petro | China national standards | MT | 521.66 | USD | 20251024 |
| Lihuayi Weiyuan Chem | China national standards | MT | 521.66 | USD | 20251024 |
| Shandong Qiangsen Chem | China national standards | MT | 507.56 | USD | 20251024 |
| Shanghai Guoke | China national standards | MT | 711.99 | USD | 20251024 |
| Shandong Jinwen Chem | China national standards | MT | 507.56 | USD | 20251024 |
| CNPC | China national standards | MT | 635.86 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 627.4 | USD | 20251024 |
| Beijing Yanshan Petro | China national standards | MT | 634.45 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 634.45 | USD | 20251024 |