| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 562.93 | USD | 20250923 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.82 | USD | 20250923 |
| Jinan Dezheng Chem | China national standards | MT | 541.82 | USD | 20250923 |
| Yangmei Shouyang Chem | Polyester Resin Grade | MT | 619.22 | USD | 20250923 |
| Lihuayi Weiyuan Chem | China national standards | MT | 534.78 | USD | 20250923 |
| Shandong Aite Chem | China national standards | MT | 492.56 | USD | 20250923 |
| Beijing Yanshan Petro | China national standards | MT | 599.52 | USD | 20250923 |
| Shanghai SKY Chem | China national standards | MT | 738.84 | USD | 20250923 |
| Shandong Huize Chem | Polyester Resin Grade | MT | 605.15 | USD | 20250923 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.82 | USD | 20250923 |