| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 804.33 | USD | 20251111 |
| Shandong Yihe Chem | China national standards | MT | 790.22 | USD | 20251111 |
| Jinan Aochen Chem | China national standards | MT | 917.22 | USD | 20251111 |
| Jinan Aochen Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1058.34 | USD | 20251111 |
| Wanhua Yantai | China national standards | MT | 896.06 | USD | 20251111 |
| Shandong Mingyu | China national standards | MT | 874.89 | USD | 20251111 |
| Shandong Mingyu | China national standards | MT | 889.0 | USD | 20251111 |
| Shandong Yaoming Chem | China national standards | MT | 832.56 | USD | 20251111 |
| Hubei 789 Chem | China national standards | MT | 818.45 | USD | 20251111 |