| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Langchem | China national standards | MT | USD | 20250825 | |
| Shandong Langchem | China national standards | MT | USD | 20250823 | |
| Shandong Langchem | China national standards | MT | USD | 20250822 | |
| Shandong Langchem | China national standards | MT | USD | 20250821 | |
| Shandong Langchem | China national standards | MT | USD | 20250820 | |
| Shandong Langchem | China national standards | MT | USD | 20250819 | |
| Shandong Langchem | China national standards | MT | USD | 20250818 | |
| Shandong Langchem | China national standards | MT | USD | 20250815 | |
| Shandong Langchem | China national standards | MT | USD | 20250814 | |
| Shandong Langchem | China national standards | MT | USD | 20250813 |
