| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 796.35 | USD | 20251017 |
| Luxi Chem | China national standards | MT | 831.58 | USD | 20251017 |
| Shandong Xingpeng Chem | China national standards | MT | 775.2 | USD | 20251017 |
| Shandong Energy | China national standards | MT | 1057.1 | USD | 20251017 |
| Sinopec | China national standards | MT | 1057.1 | USD | 20251017 |
| Jinan Pulaihua Chem | China national standards | MT | 1057.1 | USD | 20251017 |
| Shanghai QianChem | China national standards | MT | 1057.1 | USD | 20251017 |
| Luxi Chem | China national standards | MT | 1268.52 | USD | 20251017 |
| Zibo Renhao | China national standards | MT | 1268.52 | USD | 20251017 |
| Lihuayi Shandong | China national standards | MT | 775.2 | USD | 20251017 |