| Vendor | Spec | Unit | Price | Currency | Date |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.88 | USD | 20251211 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.35 | USD | 20251210 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.19 | USD | 20251209 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.26 | USD | 20251208 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.38 | USD | 20251207 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.38 | USD | 20251205 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.51 | USD | 20251204 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.34 | USD | 20251203 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.34 | USD | 20251203 |
| CNOOC and Shell Petrochemicals Company Limited | China national standards | MT | 565.02 | USD | 20251202 |