| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1311.19 | USD | 20251024 |
| Shandong Shuojia Chem | China national standards | MT | 1691.86 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1173.02 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1184.3 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1173.02 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1173.02 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 1173.02 | USD | 20251024 |
| Shandong Junfeng | China national standards | MT | 916.42 | USD | 20251024 |
| JS Yangnong Chem | China national standards | MT | 852.98 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 1127.9 | USD | 20251024 |