| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Wanzhong | China national standards | MT | 949.86 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 956.9 | USD | 20250828 |
| Shandong Xingpeng Chem | China national standards | MT | 942.83 | USD | 20250828 |
| Shandong Xima | China national standards | MT | 886.54 | USD | 20250828 |
| Shandong Qiangsen Chem | China national standards | MT | 928.75 | USD | 20250828 |
| Shandong Qiangsen Chem | China national standards | MT | 928.75 | USD | 20250828 |
| Shandong Langchem | China national standards | MT | 1097.62 | USD | 20250828 |
| Shandong Langchem | China national standards | MT | 1111.69 | USD | 20250828 |
| Shandong Langchem | China national standards | MT | 1111.69 | USD | 20250828 |
| Shandong Langchem | China national standards | MT | 1104.65 | USD | 20250828 |