| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Dehe Chem | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1047.41 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1047.41 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1047.41 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1047.41 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1047.41 | USD | 20250919 |
| Shandong Shuojia Chem | China national standards | MT | 1047.41 | USD | 20250919 |
| Qingdao Shengze Chem | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Hualu | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1124.73 | USD | 20250919 |