| Vendor | Spec | Unit | Price | Currency | Date |
| CNOOC | China national standards | MT | 565.34 | USD | 20251203 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.61 | USD | 20251203 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.61 | USD | 20251203 |
| Shandong Rongxin | Polyester Resin Grade | MT | 530.01 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 579.47 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 530.01 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 522.94 | USD | 20251203 |
| Shandong Yushuo Chem | China national standards | MT | 579.47 | USD | 20251203 |
| Lihuayi Weiyuan Chem | China national standards | MT | 579.47 | USD | 20251203 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.61 | USD | 20251203 |