| Vendor | Spec | Unit | Price | Currency | Date |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.8 | USD | 20251107 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.8 | USD | 20251107 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.56 | USD | 20251106 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.27 | USD | 20251105 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.4 | USD | 20251104 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.4 | USD | 20251104 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.55 | USD | 20251103 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.44 | USD | 20251031 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.57 | USD | 20251030 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 578.74 | USD | 20251029 |