| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 942.31 | USD | 20251009 |
| Luxi Chem | China national standards | MT | 970.44 | USD | 20251009 |
| Lihuayi Shandong | China national standards | MT | 956.37 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 956.37 | USD | 20251009 |
| Wuhan Hengjiu Chem | China national standards | MT | 900.71 | USD | 20251008 |
| Wuhan Hengjiu Chem | China national standards | MT | 900.71 | USD | 20251008 |
| PetroChina | China national standards | MT | 900.71 | USD | 20251008 |
| Luxi Chem | China national standards | MT | 788.12 | USD | 20251008 |
| Liaocheng Yuanze Chem | China national standards | MT | 858.49 | USD | 20251008 |
| Liaocheng Yuanze Chem | China national standards | MT | 872.56 | USD | 20251008 |