| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1129.54 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1174.73 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1174.73 | USD | 20251114 |
| Qingdao Shengze Chem | China national standards | MT | 1595.48 | USD | 20251114 |
| Shandong Shuojia Chem | China national standards | MT | 1567.24 | USD | 20251114 |
| Dongying Hebang Chem | China national standards | MT | 1355.45 | USD | 20251114 |
| Shandong Shuojia Chem | China national standards | MT | 1567.24 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1186.02 | USD | 20251114 |
| Wudi Xinyue Chem | China national standards | MT | 1567.24 | USD | 20251114 |
| Shandong Yaoming Chem | China national standards | MT | 1080.13 | USD | 20251114 |