| Vendor | Spec | Unit | Price | Currency | Date |
| BASF YPC | China national standards | MT | 620.81 | USD | 20251122 |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | 543.21 | USD | 20251122 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.05 | USD | 20251122 |
| Shandong Qiangsen Chem | China national standards | MT | 507.94 | USD | 20251122 |
| Shandong Yushuo Chem | Polyester Grade | MT | 592.59 | USD | 20251121 |
| Shandong Shuojia Chem | Polyester Grade | MT | 677.25 | USD | 20251121 |
| Shandong Shuojia Chem | China national standards | MT | 677.25 | USD | 20251121 |
| Sinopec | China national standards | MT | 677.25 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251121 |