| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 858.49 | USD | 20250930 |
| Lihuayi Weiyuan Chem | China national standards | MT | 647.39 | USD | 20250930 |
| Lihuayi Weiyuan Chem | China national standards | MT | 647.39 | USD | 20250930 |
| Sinopec | China national standards | MT | 647.39 | USD | 20250930 |
| Sinopec | China national standards | MT | 647.39 | USD | 20250930 |
| Shiyou Yangzhou Chem | China national standards | MT | 633.31 | USD | 20250930 |
| Weifang Yixin Chem | China national standards | MT | 647.39 | USD | 20250930 |
| Zhejiang PetroChem | China national standards | MT | 633.31 | USD | 20250930 |
| Wuhan Hengjiu Chem | China national standards | MT | 914.35 | USD | 20250929 |
| Weifang Yixin Chem | China national standards | MT | 647.08 | USD | 20250929 |