| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.68 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 628.63 | USD | 20251129 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.06 | USD | 20251129 |
| Sinopec | China national standards | MT | 635.69 | USD | 20251129 |
| Shandong Xingpeng Chem | Polyester Resin Grade | MT | 512.79 | USD | 20251129 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 579.19 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 529.74 | USD | 20251128 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.31 | USD | 20251128 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.31 | USD | 20251128 |
| Shandong Yaowang Chem | Polyester Grade | MT | 562.23 | USD | 20251128 |