| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 985.62 | USD | 20251014 |
| Zibo Lishuo Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Zibo Lishuo Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Zibo Lishuo Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Zibo Lishuo Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Zibo Lishuo Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Xima | China national standards | MT | 788.5 | USD | 20251014 |
| Shandong Qiangsen Chem | China national standards | MT | 816.66 | USD | 20251014 |
| Shandong Laya Chem | China national standards | MT | 788.5 | USD | 20251014 |