| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 1566.2 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1594.42 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 1608.53 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 1566.2 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 1566.2 | USD | 20251119 |
| Shandong Xingpeng Chem | China national standards | MT | 1622.64 | USD | 20251119 |
| Shandong Yihe Chem | China national standards | MT | 1636.75 | USD | 20251119 |
| Shandong Yushuo Chem | China national standards | MT | 1566.2 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1594.42 | USD | 20251119 |
| Shandong Yihe Chem | China national standards | MT | 1636.75 | USD | 20251119 |