| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 522.63 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 529.69 | USD | 20251126 |
| Shandong Fusheng | China national standards | MT | 508.5 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 529.69 | USD | 20251126 |
| Jinan Jinrihe Chem | China national standards | MT | 579.13 | USD | 20251126 |
| Shandong Yihe Chem | China national standards | MT | 515.57 | USD | 20251126 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 678.0 | USD | 20251126 |
| Shandong Zhenkun | China national standards | MT | 607.38 | USD | 20251126 |
| Shandong Yihe Chem | China national standards | MT | 536.75 | USD | 20251126 |
| Shandong Junfeng | China national standards | MT | 621.5 | USD | 20251126 |