| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 921.21 | USD | 20251009 |
| Shandong Junfeng | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Xima | China national standards | MT | 843.86 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1170.15 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1181.4 | USD | 20251009 |
| Dongying Lianchem | China national standards | MT | 1170.15 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1170.15 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1170.15 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 1167.34 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 1054.82 | USD | 20251009 |