| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 844.84 | USD | 20250913 |
| Shandong Xima | China national standards | MT | 788.52 | USD | 20250913 |
| Shandong Qiangsen Chem | China national standards | MT | 816.68 | USD | 20250913 |
| Shandong Langchem | China national standards | MT | 1056.06 | USD | 20250912 |
| Shandong Langchem | China national standards | MT | 1140.54 | USD | 20250912 |
| Zibo Lishuo Chem | China national standards | MT | 844.84 | USD | 20250912 |
| Zibo Lishuo Chem | China national standards | MT | 844.84 | USD | 20250912 |
| Shandong Laya Chem | China national standards | MT | 788.52 | USD | 20250912 |
| Jurong Jiangsu | China national standards | MT | 915.39 | USD | 20250909 |
| Shandong Langchem | China national standards | MT | 1140.72 | USD | 20250909 |