| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 854.0 | USD | 20251029 |
| Shandong Jinwen Chem | China national standards | MT | 854.0 | USD | 20251029 |
| Shandong Laya Chem | China national standards | MT | 748.13 | USD | 20251029 |
| Shandong Fusheng | China national standards | MT | 790.48 | USD | 20251029 |
| Zibo Qixiang Chem | China national standards | MT | 790.34 | USD | 20251028 |
| Jinan Jinhao Chem | China national standards | MT | 790.34 | USD | 20251028 |
| Jinan Jinhao Chem | China national standards | MT | 776.22 | USD | 20251028 |
| Shandong Yushuo Chem | China national standards | MT | 748.0 | USD | 20251028 |
| Shandong Yushuo Chem | China national standards | MT | 748.0 | USD | 20251028 |
| Jinan Aochen Chem | China national standards | MT | 748.0 | USD | 20251028 |