| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | Polyester Resin Grade | MT | 605.15 | USD | 20250924 |
| Shandong Mengkanda Chem | China national standards | MT | 534.78 | USD | 20250924 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 675.51 | USD | 20250924 |
| Shandong Jinwen Chem | China national standards | MT | 506.64 | USD | 20250924 |
| Lihuayi Weiyuan Chem | China national standards | MT | 745.88 | USD | 20250924 |
| Shandong Langchem | China national standards | MT | 506.64 | USD | 20250924 |
| Sinopec | China national standards | MT | 612.18 | USD | 20250924 |
| BASF YPC | China national standards | MT | 626.26 | USD | 20250924 |
| Beijing Yanshan Petro | China national standards | MT | 633.29 | USD | 20250924 |
| Sinopec | China national standards | MT | 633.29 | USD | 20250924 |