| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 911.36 | USD | 20250818 |
| Shandong Xingpeng Chem | China national standards | MT | 939.4 | USD | 20250818 |
| Shandong Xima | China national standards | MT | 883.32 | USD | 20250818 |
| Shandong Junfeng | China national standards | MT | 1051.57 | USD | 20250818 |
| Shandong Junfeng | China national standards | MT | 911.36 | USD | 20250818 |
| Shandong Junfeng | China national standards | MT | 981.46 | USD | 20250818 |
| Shandong Qiangsen Chem | China national standards | MT | 925.38 | USD | 20250818 |
| Shandong Qiangsen Chem | China national standards | MT | 925.38 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1121.67 | USD | 20250818 |
| Shandong Langchem | China national standards | MT | 1100.64 | USD | 20250818 |