| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 917.11 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1173.9 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251121 |
| Shandong Xima | China national standards | MT | 846.56 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251121 |
| Dongying Lianchem | China national standards | MT | 1199.29 | USD | 20251121 |
| Shandong Yihe Chem | China national standards | MT | 1636.68 | USD | 20251121 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.2 | USD | 20251121 |
| Shandong Shuojia Chem | China national standards | MT | 1566.14 | USD | 20251121 |