| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 621.52 | USD | 20251202 |
| Jinan Angxin Chem | China national standards | MT | 593.27 | USD | 20251202 |
| CNOOC | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | 543.83 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 515.58 | USD | 20251202 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 522.64 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.4 | USD | 20251202 |
| CNPC | China national standards | MT | 637.06 | USD | 20251202 |
| CNOOC | Polyester Grade | MT | 621.83 | USD | 20251201 |
| Shandong Yihe Chem | China national standards | MT | 515.84 | USD | 20251201 |