| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 850.89 | USD | 20251009 |
| Shandong Jinwen Chem | China national standards | MT | 850.89 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 801.67 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 801.67 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 801.67 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 801.67 | USD | 20251009 |
| Nantong Zhonghe Chem | China national standards | MT | 717.28 | USD | 20251009 |
| Shandong Laya Chem | China national standards | MT | 745.41 | USD | 20251009 |
| Zibo Lishuo Chem | China national standards | MT | 816.27 | USD | 20251008 |
| Zibo Lishuo Chem | China national standards | MT | 816.27 | USD | 20251008 |