| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | Polyester Grade | MT | 678.41 | USD | 20251203 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.61 | USD | 20251203 |
| Qingdao Shengze Chem | China national standards | MT | 530.01 | USD | 20251203 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.4 | USD | 20251202 |
| Shandong Jinwen Chem | China national standards | MT | 508.52 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 536.77 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 515.58 | USD | 20251202 |
| Sinopec | China national standards | MT | 635.65 | USD | 20251202 |
| Sinopec | China national standards | MT | 614.46 | USD | 20251202 |
| Shandong Zhenkun | China national standards | MT | 607.4 | USD | 20251202 |