| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Rongxin | Polyester Resin Grade | MT | 536.75 | USD | 20251126 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.25 | USD | 20251126 |
| Shandong Zhenkun | China national standards | MT | 607.38 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 529.69 | USD | 20251126 |
| Shandong Yushuo Chem | Industrial Grade | MT | 579.13 | USD | 20251126 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.38 | USD | 20251126 |
| Jinan Jinrihe Chem | China national standards | MT | 579.13 | USD | 20251126 |
| Shanghai Guoke | China national standards | MT | 670.94 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 508.5 | USD | 20251126 |
| Shandong Aite Chem | China national standards | MT | 494.38 | USD | 20251126 |