| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 1605.48 | USD | 20251013 |
| Jinan Dezheng Chem | China national standards | MT | 1605.48 | USD | 20251013 |
| Jinan Dezheng Chem | China national standards | MT | 1605.48 | USD | 20251013 |
| Jinan Dezheng Chem | China national standards | MT | 1605.48 | USD | 20251013 |
| Shandong Mingyu | China national standards | MT | 1816.72 | USD | 20251013 |
| Nantong Zhonghe Chem | China national standards | MT | 1788.56 | USD | 20251013 |
| Qingdao Shengze Chem | China national standards | MT | 1591.39 | USD | 20251013 |
| Qingdao Shengze Chem | China national standards | MT | 1591.39 | USD | 20251013 |
| Shandong Yaowang Chem | China national standards | MT | 1753.35 | USD | 20251013 |
| Weifang Yixin Chem | China national standards | MT | 1837.85 | USD | 20251013 |