| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | Polyester Resin Grade | MT | 521.33 | USD | 20251020 |
| Jinan Dezheng Chem | China national standards | MT | 521.33 | USD | 20251020 |
| Baozhen Shandong Chem | Polyester Grade | MT | 676.31 | USD | 20251020 |
| Linyi Haoxuan | Polyester Grade | MT | 634.04 | USD | 20251020 |
| Shandong Linglin | Polyester Grade | MT | 605.86 | USD | 20251020 |
| Yangmei Shouyang Chem | Polyester Resin Grade | MT | 619.95 | USD | 20251020 |
| Sinopec | China national standards | MT | 704.49 | USD | 20251020 |
| Qingdao Shengze Chem | China national standards | MT | 528.37 | USD | 20251020 |
| Shandong Hualu | Polyester Resin Grade | MT | 528.37 | USD | 20251020 |
| Qingdao Shengze Chem | China national standards | MT | 528.37 | USD | 20251020 |