| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1057.1 | USD | 20251018 |
| Jinan Aochen Chem | China national standards | MT | 1057.1 | USD | 20251018 |
| Luxi Chem | China national standards | MT | 1057.1 | USD | 20251018 |
| Luxi Chem | China national standards | MT | 789.3 | USD | 20251018 |
| Jinan Jiaxing Chem | China national standards | MT | 803.39 | USD | 20251018 |
| Shandong Energy | China national standards | MT | 775.2 | USD | 20251018 |
| Jinan Jiaxing Chem | China national standards | MT | 845.68 | USD | 20251018 |
| Luxi Chem | China national standards | MT | 916.15 | USD | 20251018 |
| Shandong Mingyu | China national standards | MT | 1021.86 | USD | 20251018 |
| Shandong Jiaen Chem | China national standards | MT | 958.43 | USD | 20251018 |