| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 577.0 | USD | 20250925 |
| CNOOC | China national standards | MT | 577.0 | USD | 20250925 |
| Lihuayi Weiyuan Chem | China national standards | MT | 745.88 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 619.22 | USD | 20250925 |
| Sinopec | China national standards | MT | 619.22 | USD | 20250925 |
| Shandong Shuojia Chem | Polyester Grade | MT | 619.22 | USD | 20250925 |
| Shandong Shuojia Chem | Polyester Grade | MT | 619.22 | USD | 20250925 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 555.89 | USD | 20250925 |
| Shandong Huize Chem | Polyester Resin Grade | MT | 605.15 | USD | 20250925 |
| Nanjing Runsheng Petro | China national standards | MT | 633.29 | USD | 20250925 |