| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 858.49 | USD | 20251004 |
| Jinan Dezheng Chem | China national standards | MT | 816.27 | USD | 20251004 |
| Luxi Chem | China national standards | MT | 816.27 | USD | 20251004 |
| PetroChina | China national standards | MT | 900.71 | USD | 20251004 |
| Wuhan Hengjiu Chem | China national standards | MT | 900.71 | USD | 20251004 |
| Qingdao Shengze Chem | China national standards | MT | 816.27 | USD | 20251004 |
| Luxi Chem | China national standards | MT | 816.27 | USD | 20251004 |
| Qingdao Shengze Chem | China national standards | MT | 816.27 | USD | 20251004 |
| Luxi Chem | China national standards | MT | 844.42 | USD | 20251003 |
| Shandong Jinshenrun Chem | China national standards | MT | 844.42 | USD | 20251003 |