| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1552.44 | USD | 20251028 |
| Shandong Jinling Chem | China national standards | MT | 1150.22 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1432.48 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1256.07 | USD | 20251028 |
| Shandong Jinling Chem | China national standards | MT | 1058.48 | USD | 20251028 |
| Shandong Junfeng | China national standards | MT | 1058.48 | USD | 20251028 |
| Shandong Jinling Chem | China national standards | MT | 1058.48 | USD | 20251028 |
| Shandong Laya Chem | China national standards | MT | 973.81 | USD | 20251028 |
| Shandong Junfeng | China national standards | MT | 931.47 | USD | 20251028 |
| Shandong Junfeng | China national standards | MT | 931.47 | USD | 20251028 |