| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | Polyester Grade | MT | 590.81 | USD | 20250929 |
| Shanghai SKY Chem | China national standards | MT | 738.51 | USD | 20250929 |
| Jinan Dezheng Chem | China national standards | MT | 541.57 | USD | 20250929 |
| Jinan Dezheng Chem | Polyester Resin Grade | MT | 541.57 | USD | 20250929 |
| Jinan Jinrihe Chem | China national standards | MT | 576.74 | USD | 20250929 |
| Jinan Jinrihe Chem | China national standards | MT | 576.74 | USD | 20250929 |
| CNOOC | China national standards | MT | 576.74 | USD | 20250929 |
| CNOOC | China national standards | MT | 576.74 | USD | 20250929 |
| Shandong Jinshenrun Chem | China national standards | MT | 576.74 | USD | 20250929 |
| Shandong Jinshenrun Chem | China national standards | MT | 590.81 | USD | 20250929 |