| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 936.34 | USD | 20251014 |
| Shandong Jinwen Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Zhiheng | China national standards | MT | 1013.78 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 950.42 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 795.54 | USD | 20251014 |
| Shandong Fusheng | China national standards | MT | 901.14 | USD | 20251014 |
| Shandong Fusheng | Industrial Grade | MT | 901.14 | USD | 20251014 |
| Shandong Fusheng | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Wells Chem | China national standards | MT | 929.49 | USD | 20251013 |
| Tongling Jintai Chem | China national standards | MT | 816.82 | USD | 20251013 |