| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1255.91 | USD | 20251106 |
| Aite Zhejiang | China national standards | MT | 1029.6 | USD | 20251105 |
| Aite Zhejiang | China national standards | MT | 1071.92 | USD | 20251105 |
| Shandong Hongyang Chem | China national standards | MT | 1128.33 | USD | 20251105 |
| Shandong Hongyang Chem | China national standards | MT | 1128.33 | USD | 20251105 |
| Qingdao Shengze Chem | China national standards | MT | 825.09 | USD | 20251105 |
| Qingdao Shengze Chem | China national standards | MT | 825.09 | USD | 20251105 |
| Qingdao Shengze Chem | China national standards | MT | 825.09 | USD | 20251105 |
| Shandong Zhenkun | China national standards | MT | 1078.97 | USD | 20251105 |
| Liaocheng Yuanze Chem | China national standards | MT | 874.46 | USD | 20251105 |