| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1171.52 | USD | 20250912 |
| Shandong Langchem | China national standards | MT | 1171.52 | USD | 20250912 |
| Shandong Xingpeng Chem | China national standards | MT | 1450.32 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 1464.4 | USD | 20250912 |
| Qingdao Shengze Chem | China national standards | MT | 1464.62 | USD | 20250909 |
| Qingdao Shengze Chem | China national standards | MT | 1464.62 | USD | 20250909 |
| Qingdao Shengze Chem | China national standards | MT | 1464.62 | USD | 20250909 |