| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Hechun Chem | China national standards | MT | 577.68 | USD | 20251020 |
| Lihuayi Weiyuan Chem | China national standards | MT | 606.07 | USD | 20251019 |
| Sinopec | China national standards | MT | 591.97 | USD | 20251017 |
| Shiyou Yangzhou Chem | China national standards | MT | 620.16 | USD | 20251017 |
| Lihuayi Weiyuan Chem | China national standards | MT | 606.07 | USD | 20251017 |
| Changzhou Hechun Chem | China national standards | MT | 577.88 | USD | 20251017 |
| Sinopec | China national standards | MT | 591.97 | USD | 20251017 |
| Sinopec | China national standards | MT | 634.26 | USD | 20251017 |
| Weifang Yixin Chem | China national standards | MT | 620.16 | USD | 20251017 |
| Lihuayi Weiyuan Chem | China national standards | MT | 606.07 | USD | 20251017 |