| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | Polyester Resin Grade | MT | 521.36 | USD | 20251016 |
| Jinan Pulaihua Chem | China national standards | MT | 591.82 | USD | 20251016 |
| Jinan Pulaihua Chem | China national standards | MT | 563.63 | USD | 20251016 |
| CNPC | China national standards | MT | 563.63 | USD | 20251016 |
| Sinopec | China national standards | MT | 563.63 | USD | 20251016 |
| Guangzhou Tianyue Chem | Polyester Grade | MT | 662.27 | USD | 20251016 |
| CNOOC | Polyester Grade | MT | 648.18 | USD | 20251016 |
| Linyi Haoxuan | Polyester Grade | MT | 634.09 | USD | 20251016 |
| Shandong Linglin | Polyester Grade | MT | 605.91 | USD | 20251016 |
| Suzhou ChemMat | Polyester Grade | MT | 613.66 | USD | 20251016 |