| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 530.01 | USD | 20251203 |
| Lihuayi Weiyuan Chem | China national standards | MT | 579.47 | USD | 20251203 |
| Sinopec | China national standards | MT | 579.47 | USD | 20251203 |
| Shandong Linglin | Polyester Grade | MT | 607.74 | USD | 20251203 |
| Shandong Yuxuan Chem | Industrial Grade | MT | 537.07 | USD | 20251203 |
| Liao Jinxinda | China national standards | MT | 530.01 | USD | 20251203 |
| Sinopec | China national standards | MT | 565.34 | USD | 20251203 |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | 544.14 | USD | 20251203 |
| BASF YPC | China national standards | MT | 678.41 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 529.71 | USD | 20251202 |