| Vendor | Spec | Unit | Price | Currency | Date |
| Weifang Yixin Chem | China national standards | MT | 1836.79 | USD | 20251010 |
| Shandong Mingyu | China national standards | MT | 1759.37 | USD | 20251010 |
| Shandong Haili Chem | China national standards | MT | 1759.37 | USD | 20251010 |
| Qingdao Shengze Chem | China national standards | MT | 1590.47 | USD | 20251010 |
| Qingdao Shengze Chem | China national standards | MT | 1590.47 | USD | 20251010 |
| Shandong Shuojia Chem | China national standards | MT | 1773.45 | USD | 20251010 |
| Shandong Shuojia Chem | China national standards | MT | 1773.45 | USD | 20251010 |
| Shandong Shuojia Chem | China national standards | MT | 1773.45 | USD | 20251010 |
| Shandong Shuojia Chem | China national standards | MT | 1773.45 | USD | 20251010 |
| Jinan Jiaxing Chem | China national standards | MT | 1126.0 | USD | 20251010 |