| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1165.82 | USD | 20250805 |
| Shandong Langchem | China national standards | MT | 1165.82 | USD | 20250805 |
| Shandong Langchem | China national standards | MT | 1163.02 | USD | 20250805 |
| Shandong Junfeng | China national standards | MT | 917.8 | USD | 20250805 |
| Shandong Junfeng | China national standards | MT | 910.8 | USD | 20250805 |
| Shandong Yeyang Chem | China national standards | MT | 1134.99 | USD | 20250805 |
| Shandong Yeyang Chem | China national standards | MT | 1142.0 | USD | 20250805 |
| Shandong Mengkanda Chem | China national standards | MT | 1064.5 | USD | 20250804 |
| Shandong Mengkanda Chem | China national standards | MT | 1064.5 | USD | 20250804 |
| Unknown | China national standards | MT | 2050.0 | USD | 20210323 |