| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Yixin Chem | China national standards | MT | 1735.2 | USD | 20251104 |
| Dongying Lianchem | China national standards | MT | 1173.73 | USD | 20251104 |
| Shandong Jinshenrun Chem | China national standards | MT | 1580.02 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1173.73 | USD | 20251104 |
| Shandong Shuojia Chem | China national standards | MT | 1678.78 | USD | 20251104 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Junfeng | China national standards | MT | 924.03 | USD | 20251104 |
| Shandong Shuojia Chem | China national standards | MT | 1692.88 | USD | 20251104 |
| Jinan Aochen Chem | China national standards | MT | 1354.31 | USD | 20251104 |
| Shandong Yihe Chem | China national standards | MT | 1622.35 | USD | 20251104 |