| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 550.26 | USD | 20251121 |
| Baozhen Shandong Chem | Polyester Grade | MT | 677.25 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 592.59 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251121 |
| Beijing Yanshan Petro | China national standards | MT | 601.06 | USD | 20251121 |
| Shandong Yushuo Chem | Polyester Grade | MT | 592.59 | USD | 20251121 |
| Jinan Qi Mat | China national standards | MT | 522.05 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 592.59 | USD | 20251121 |
| Shandong Xingpeng Chem | Polyester Resin Grade | MT | 526.28 | USD | 20251121 |
| Shandong Yushuo Chem | Polyester Grade | MT | 592.59 | USD | 20251121 |