| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 815.16 | USD | 20250927 |
| Shandong Qiancheng | China national standards | MT | 843.27 | USD | 20250927 |
| Luxi Chem | China national standards | MT | 843.27 | USD | 20250927 |
| Lihuayi Shandong | China national standards | MT | 843.27 | USD | 20250927 |
| Luxi Chem | China national standards | MT | 815.16 | USD | 20250927 |
| Qingdao Shengze Chem | China national standards | MT | 815.16 | USD | 20250927 |
| Luxi Chem | China national standards | MT | 815.16 | USD | 20250927 |
| Lihuayi Shandong | China national standards | MT | 815.16 | USD | 20250927 |
| Qingdao Shengze Chem | China national standards | MT | 815.16 | USD | 20250927 |
| Lihuayi Shandong | China national standards | MT | 829.21 | USD | 20250927 |