| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 803.39 | USD | 20251017 |
| Shanghai Ronghe Chem | China national standards | MT | 789.3 | USD | 20251017 |
| Shandong Wonfull Petro | China national standards | MT | 789.3 | USD | 20251017 |
| Jinan Angxin Chem | China national standards | MT | 789.3 | USD | 20251017 |
| Shandong Jinwen Chem | China national standards | MT | 852.73 | USD | 20251017 |
| Shandong Jinwen Chem | China national standards | MT | 852.73 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 887.96 | USD | 20251017 |
| Baozhen Shandong Chem | China national standards | MT | 747.02 | USD | 20251017 |
| Baozhen Shandong Chem | China national standards | MT | 747.02 | USD | 20251017 |
| Zibo Qixiang Chem | China national standards | MT | 761.11 | USD | 20251017 |