| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Polyester Grade | MT | 529.82 | USD | 20251127 |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | 543.95 | USD | 20251127 |
| Shandong Yuxuan Chem | Industrial Grade | MT | 536.88 | USD | 20251127 |
| Shandong Xingpeng Chem | Polyester Resin Grade | MT | 512.86 | USD | 20251127 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 522.75 | USD | 20251127 |
| Jinan Qi Mat | China national standards | MT | 522.75 | USD | 20251127 |
| Zaozhuang Yitai | China national standards | MT | 607.52 | USD | 20251127 |
| Shandong Hualu | Industrial Grade | MT | 678.17 | USD | 20251127 |
| Beijing Yanshan Petro | China national standards | MT | 692.3 | USD | 20251127 |
| Zaozhuang Yitai | China national standards | MT | 635.78 | USD | 20251127 |