| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Polyester Grade | MT | 529.47 | USD | 20251125 |
| Beijing Yanshan Petro | China national standards | MT | 522.41 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 529.47 | USD | 20251125 |
| Shandong Hualu | Polyester Resin Grade | MT | 529.47 | USD | 20251125 |
| Jinan Angxin Chem | China national standards | MT | 593.0 | USD | 20251125 |
| Nanjing Baitu Chem | China national standards | MT | 621.24 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 508.29 | USD | 20251125 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 550.65 | USD | 20251125 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.0 | USD | 20251125 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.0 | USD | 20251125 |