| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Linglin | Polyester Grade | MT | 607.58 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 628.77 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 480.41 | USD | 20251209 |
| BASF YPC | China national standards | MT | 593.52 | USD | 20251208 |
| Beijing Yanshan Petro | China national standards | MT | 522.86 | USD | 20251208 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 678.31 | USD | 20251208 |
| Shandong Zhenkun | China national standards | MT | 607.65 | USD | 20251208 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.86 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 592.82 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 621.79 | USD | 20251208 |