| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 1059.73 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 741.81 | USD | 20251209 |
| CNPC | China national standards | MT | 791.26 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 741.81 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 890.17 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 1059.73 | USD | 20251209 |
| Changzhou Jiaye Chem | China national standards | MT | 1201.02 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 1059.73 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 741.81 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 741.81 | USD | 20251209 |