| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 939.86 | USD | 20250821 |
| Shandong Junfeng | China national standards | MT | 981.95 | USD | 20250821 |
| Shandong Junfeng | China national standards | MT | 911.81 | USD | 20250821 |
| Shandong Junfeng | China national standards | MT | 1052.09 | USD | 20250821 |
| Shandong Xima | China national standards | MT | 883.75 | USD | 20250821 |
| Shandong Qiangsen Chem | China national standards | MT | 925.84 | USD | 20250821 |
| Shandong Qiangsen Chem | China national standards | MT | 925.84 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1094.17 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1108.2 | USD | 20250821 |
| Shandong Langchem | China national standards | MT | 1108.2 | USD | 20250821 |