| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1211.35 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1394.46 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1253.61 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1260.65 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1211.35 | USD | 20251015 |
| Shandong Zhiheng | China national standards | MT | 1331.08 | USD | 20251015 |
| Shandong Zhiheng | China national standards | MT | 1408.55 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1429.68 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1429.68 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1429.68 | USD | 20251015 |