| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 825.43 | USD | 20251119 |
| Shandong Fusheng | China national standards | MT | 818.38 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 825.43 | USD | 20251119 |
| Luxi Chem | China national standards | MT | 860.71 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 825.43 | USD | 20251119 |
| Shandong Hualu | China national standards | MT | 888.93 | USD | 20251119 |
| Shandong Fusheng | China national standards | MT | 818.38 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 825.43 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 825.43 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 825.43 | USD | 20251119 |