| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1594.78 | USD | 20251118 |
| Weifang Yixin Chem | China national standards | MT | 1693.58 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.48 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251118 |
| Shandong Yeyang Chem | China national standards | MT | 1150.22 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 1580.67 | USD | 20251118 |
| Aite Zhejiang | China national standards | MT | 1270.18 | USD | 20251118 |
| Dongying Lianchem | China national standards | MT | 1199.62 | USD | 20251118 |
| Nantong Zhonghe Chem | China national standards | MT | 1792.37 | USD | 20251118 |