| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1075.53 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 1251.27 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 1279.38 | USD | 20250919 |
| Shandong Langchem | China national standards | MT | 1103.64 | USD | 20250919 |
| Aite Zhejiang | China national standards | MT | 1068.5 | USD | 20250919 |
| Aite Zhejiang | China national standards | MT | 1026.32 | USD | 20250919 |
| Aite Zhejiang | China national standards | MT | 1068.5 | USD | 20250919 |
| Aite Zhejiang | China national standards | MT | 1026.32 | USD | 20250919 |
| Shandong Fusheng | China national standards | MT | 1054.44 | USD | 20250919 |
| Shandong Fusheng | China national standards | MT | 1124.73 | USD | 20250919 |