| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 689.96 | USD | 20250914 |
| Shandong Xingpeng Chem | China national standards | MT | 746.28 | USD | 20250914 |
| Anhui Ruibai | China national standards | MT | 689.96 | USD | 20250913 |
| Shandong Xingpeng Chem | China national standards | MT | 746.28 | USD | 20250913 |
| Qingdao Shengze Chem | China national standards | MT | 689.96 | USD | 20250913 |
| Qingdao Shengze Chem | China national standards | MT | 689.96 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 689.96 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 689.96 | USD | 20250912 |
| Shandong Langchem | China national standards | MT | 851.88 | USD | 20250912 |
| Shandong Langchem | China national standards | MT | 865.97 | USD | 20250912 |