| Vendor | Spec | Unit | Price | Currency | Date |
| PetroChina | China national standards | MT | 846.25 | USD | 20251105 |
| Lihuayi Shandong | China national standards | MT | 733.42 | USD | 20251105 |
| Luxi Chem | China national standards | MT | 733.42 | USD | 20251105 |
| Shandong Yushuo Chem | China national standards | MT | 733.42 | USD | 20251105 |
| Lihuayi Shandong | China national standards | MT | 846.25 | USD | 20251105 |
| Luxi Chem | China national standards | MT | 846.25 | USD | 20251105 |
| Shandong Qiancheng | China national standards | MT | 846.25 | USD | 20251105 |
| Zibo Lishuo Chem | China national standards | MT | 916.77 | USD | 20251105 |
| Zibo Lishuo Chem | China national standards | MT | 916.77 | USD | 20251105 |
| Zibo Lishuo Chem | China national standards | MT | 916.77 | USD | 20251105 |