| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 916.72 | USD | 20251120 |
| Shandong Jiaen Chem | China national standards | MT | 959.03 | USD | 20251120 |
| Lihuayi Shandong | China national standards | MT | 761.58 | USD | 20251120 |
| Shandong Aite Chem | China national standards | MT | 1241.1 | USD | 20251120 |
| Luxi Chem | China national standards | MT | 789.79 | USD | 20251120 |
| Wanhua Chem | China national standards | MT | 761.58 | USD | 20251120 |
| Shandong Energy | China national standards | MT | 789.79 | USD | 20251120 |
| Luxi Chem | China national standards | MT | 987.24 | USD | 20251120 |
| Shaanxi Petro Yanan | China national standards | MT | 1061.98 | USD | 20251120 |
| Nanjing Runsheng Petro | China national standards | MT | 747.48 | USD | 20251120 |