| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 789.64 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 817.85 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 817.85 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 817.85 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 817.85 | USD | 20251023 |
| Zibo Lishuo Chem | China national standards | MT | 817.85 | USD | 20251023 |
| Shandong Langchem | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Jinwen Chem | China national standards | MT | 853.1 | USD | 20251023 |
| Shandong Jinwen Chem | China national standards | MT | 853.1 | USD | 20251023 |
| Shandong Feiyang Chem | China national standards | MT | 987.06 | USD | 20251023 |