| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 988.34 | USD | 20251125 |
| Wanhua Chem | China national standards | MT | 1030.69 | USD | 20251125 |
| Wanhua Chem | China national standards | MT | 1073.05 | USD | 20251125 |
| Wanhua Chem | China national standards | MT | 1073.05 | USD | 20251125 |
| Jinan Aochen Chem | China national standards | MT | 917.74 | USD | 20251125 |
| Jinan Jinhao Chem | China national standards | MT | 1115.41 | USD | 20251125 |
| Shandong Mingyu | China national standards | MT | 861.27 | USD | 20251125 |
| Jinan Aochen Chem | China national standards | MT | 1200.12 | USD | 20251125 |
| Shandong Jinwen Chem | China national standards | MT | 988.34 | USD | 20251125 |
| Sinopec | China national standards | MT | 790.67 | USD | 20251125 |