| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1297.97 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1396.73 | USD | 20251101 |
| Shandong Xima | China national standards | MT | 917.04 | USD | 20251101 |
| Shandong Xingpeng Chem | China national standards | MT | 1114.56 | USD | 20251101 |
| Shandong Xingpeng Chem | China national standards | MT | 1058.13 | USD | 20251101 |
| Shandong Qiangsen Chem | China national standards | MT | 1114.56 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1213.32 | USD | 20251101 |
| Shandong Yeyang Chem | China national standards | MT | 1114.56 | USD | 20251101 |
| Shandong Junfeng | China national standards | MT | 1058.13 | USD | 20251101 |
| Shandong Yihe Chem | China national standards | MT | 987.58 | USD | 20251101 |