| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 958.43 | USD | 20251017 |
| Jinan Dezheng Chem | China national standards | MT | 789.3 | USD | 20251017 |
| Luxi Chem | China national standards | MT | 789.3 | USD | 20251017 |
| Lihuayi Shandong | China national standards | MT | 789.3 | USD | 20251017 |
| Luxi Chem | China national standards | MT | 1057.1 | USD | 20251017 |
| Jinan Aochen Chem | China national standards | MT | 1057.1 | USD | 20251017 |
| Lihuayi Shandong | China national standards | MT | 1057.1 | USD | 20251017 |
| Sinopec | China national standards | MT | 1057.1 | USD | 20251017 |
| Lihuayi Shandong | China national standards | MT | 835.81 | USD | 20251017 |
| Luxi Chem | China national standards | MT | 887.96 | USD | 20251017 |