| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1166.08 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1166.08 | USD | 20250813 |
| Dongying Lianchem | China national standards | MT | 1166.08 | USD | 20250813 |
| Shandong Langchem | China national standards | MT | 1166.08 | USD | 20250813 |
| Shandong Yeyang Chem | China national standards | MT | 1142.26 | USD | 20250813 |
| Shandong Yeyang Chem | China national standards | MT | 1135.25 | USD | 20250813 |
| Shandong Mengkanda Chem | China national standards | MT | 1064.16 | USD | 20250812 |
| Shandong Mengkanda Chem | China national standards | MT | 1064.16 | USD | 20250812 |
| Shandong Langchem | China national standards | MT | 1164.97 | USD | 20250812 |
| Shandong Langchem | China national standards | MT | 1164.97 | USD | 20250812 |