| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 918.61 | USD | 20251201 |
| Zhejiang PetroChem | China national standards | MT | 593.56 | USD | 20251201 |
| Sinopec | China national standards | MT | 635.96 | USD | 20251201 |
| Sinopec | China national standards | MT | 975.14 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 862.08 | USD | 20251201 |
| Sinopec | China national standards | MT | 593.56 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.44 | USD | 20251128 |
| Sinopec | China national standards | MT | 607.44 | USD | 20251128 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.22 | USD | 20251128 |
| Zhejiang PetroChem | China national standards | MT | 593.31 | USD | 20251128 |