| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1651.24 | USD | 20251028 |
| Shandong Langchem | China national standards | MT | 1174.21 | USD | 20251028 |
| JS Yangnong Chem | China national standards | MT | 853.84 | USD | 20251028 |
| Jinan Jiaxing Chem | China national standards | MT | 987.92 | USD | 20251028 |
| Shandong Shuojia Chem | China national standards | MT | 1693.58 | USD | 20251028 |
| Shandong Shuojia Chem | China national standards | MT | 1693.58 | USD | 20251028 |
| Shandong Mengkanda Chem | China national standards | MT | 1079.65 | USD | 20251028 |
| Shandong Yeyang Chem | China national standards | MT | 1149.81 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1170.98 | USD | 20251027 |
| Shandong Shuojia Chem | China national standards | MT | 1692.98 | USD | 20251027 |