| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | Polyester Grade | MT | 678.31 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 513.08 | USD | 20251207 |
| Qingdao Shengze Chem | China national standards | MT | 513.08 | USD | 20251207 |
| Jinan Jinrihe Chem | China national standards | MT | 579.51 | USD | 20251207 |
| Shandong Zhenkun | China national standards | MT | 607.78 | USD | 20251207 |
| CNOOC | China national standards | MT | 565.38 | USD | 20251207 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.38 | USD | 20251207 |
| Lihuayi Weiyuan Chem | China national standards | MT | 579.51 | USD | 20251207 |
| Shandong Hualu | Polyester Resin Grade | MT | 513.08 | USD | 20251207 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.38 | USD | 20251207 |