| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1450.09 | USD | 20250829 |
| Qingdao Shengze Chem | China national standards | MT | 1407.86 | USD | 20250829 |
| Qingdao Shengze Chem | China national standards | MT | 1407.86 | USD | 20250829 |
| Shandong Xima | China national standards | MT | 844.71 | USD | 20250829 |
| Shandong Qiangsen Chem | China national standards | MT | 1055.89 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1171.34 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1171.34 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1182.6 | USD | 20250829 |
| Dongying Lianchem | China national standards | MT | 1171.34 | USD | 20250829 |
| Shandong Langchem | China national standards | MT | 1171.34 | USD | 20250829 |