| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 815.43 | USD | 20250920 |
| Lihuayi Shandong | China national standards | MT | 815.43 | USD | 20250920 |
| Luxi Chem | China national standards | MT | 815.43 | USD | 20250920 |
| Qingdao Shengze Chem | China national standards | MT | 815.43 | USD | 20250920 |
| Shandong Laya Chem | China national standards | MT | 787.31 | USD | 20250920 |
| Shandong Qiancheng | China national standards | MT | 843.55 | USD | 20250920 |
| Luxi Chem | China national standards | MT | 843.55 | USD | 20250920 |
| Lihuayi Shandong | China national standards | MT | 843.55 | USD | 20250920 |
| Lihuayi Shandong | China national standards | MT | 815.43 | USD | 20250920 |
| Lihuayi Shandong | China national standards | MT | 815.43 | USD | 20250920 |