| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | Industrial Grade | MT | 548.92 | USD | 20251011 |
| CNOOC | China national standards | MT | 577.07 | USD | 20251011 |
| CNOOC | China national standards | MT | 577.07 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 577.07 | USD | 20251011 |
| Jinan Jinrihe Chem | China national standards | MT | 577.07 | USD | 20251011 |
| Shandong Xingpeng Chem | Polyester Resin Grade | MT | 555.96 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 541.89 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 541.89 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 541.89 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 541.89 | USD | 20251011 |