| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1125.76 | USD | 20250828 |
| Shanghai Wanzhong | China national standards | MT | 960.51 | USD | 20250827 |
| JS Xiaomi Chem | China national standards | MT | 959.1 | USD | 20250827 |
| Qingdao Shengze Chem | China national standards | MT | 956.29 | USD | 20250827 |
| Shandong Xingpeng Chem | China national standards | MT | 942.23 | USD | 20250827 |
| Shandong Xima | China national standards | MT | 885.98 | USD | 20250827 |
| Shandong Qiangsen Chem | China national standards | MT | 928.17 | USD | 20250827 |
| Shandong Qiangsen Chem | China national standards | MT | 928.17 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 1125.05 | USD | 20250827 |
| Shandong Langchem | China national standards | MT | 1103.95 | USD | 20250827 |