| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251122 |
| Jinan Jinrihe Chem | China national standards | MT | 578.48 | USD | 20251122 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.05 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251122 |
| CNOOC | China national standards | MT | 564.37 | USD | 20251122 |
| Lihuayi Weiyuan Chem | China national standards | MT | 578.48 | USD | 20251122 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 550.26 | USD | 20251122 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 677.25 | USD | 20251122 |
| Shandong Xingpeng Chem | Polyester Resin Grade | MT | 526.28 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251122 |