| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 523.44 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 537.59 | USD | 20251211 |
| Beijing Yanshan Petro | China national standards | MT | 636.62 | USD | 20251211 |
| Shandong Hualu | Polyester Resin Grade | MT | 492.32 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 593.47 | USD | 20251211 |
| Shandong Yihe Chem | China national standards | MT | 523.44 | USD | 20251211 |
| Shandong Yuxuan Chem | Industrial Grade | MT | 537.59 | USD | 20251211 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 679.06 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 495.15 | USD | 20251211 |
| Shandong Yihe Chem | China national standards | MT | 537.59 | USD | 20251211 |