| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 1267.23 | USD | 20251014 |
| Shanghai QianChem | China national standards | MT | 1056.03 | USD | 20251014 |
| Jinan Pulaihua Chem | China national standards | MT | 1056.03 | USD | 20251014 |
| Sinopec | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Energy | China national standards | MT | 1056.03 | USD | 20251014 |
| Qingdao Shengze Chem | China national standards | MT | 795.54 | USD | 20251014 |
| Qingdao Shengze Chem | China national standards | MT | 795.54 | USD | 20251014 |
| Qingdao Shengze Chem | China national standards | MT | 795.54 | USD | 20251014 |
| Qingdao Shengze Chem | China national standards | MT | 795.54 | USD | 20251014 |
| Sinopec | China national standards | MT | 1056.03 | USD | 20251014 |