| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | Polyester Grade | MT | 677.19 | USD | 20251027 |
| Shandong Jinshenrun Chem | China national standards | MT | 564.33 | USD | 20251027 |
| Shandong Jinshenrun Chem | China national standards | MT | 578.43 | USD | 20251027 |
| Jinan Angxin Chem | China national standards | MT | 620.76 | USD | 20251027 |
| Shandong Qiangsen Chem | China national standards | MT | 507.89 | USD | 20251027 |
| Shanghai Guoke | China national standards | MT | 712.46 | USD | 20251027 |
| Shandong Yihe Chem | China national standards | MT | 514.95 | USD | 20251027 |
| Shandong Yihe Chem | China national standards | MT | 536.11 | USD | 20251027 |
| Shandong Junfeng | China national standards | MT | 620.76 | USD | 20251027 |
| Shandong Aite Chem | China national standards | MT | 493.79 | USD | 20251027 |