| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 998.51 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1075.86 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1251.65 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1279.78 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1103.99 | USD | 20250922 |
| Shandong Jinwen Chem | China national standards | MT | 1040.7 | USD | 20250922 |
| Shandong Zhenkun | China national standards | MT | 1075.86 | USD | 20250922 |
| Aite Zhejiang | China national standards | MT | 1026.64 | USD | 20250922 |