| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Rongxin | Polyester Resin Grade | MT | 543.29 | USD | 20251106 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 564.45 | USD | 20251106 |
| Shandong Yuxuan Chem | Industrial Grade | MT | 536.23 | USD | 20251106 |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | 543.29 | USD | 20251106 |
| Qingdao Shengze Chem | China national standards | MT | 529.18 | USD | 20251106 |
| Qingdao Shengze Chem | China national standards | MT | 528.91 | USD | 20251105 |
| Shandong Zhiheng | China national standards | MT | 591.67 | USD | 20251105 |
| Qingdao Shengze Chem | China national standards | MT | 528.91 | USD | 20251105 |
| Qingdao Shengze Chem | China national standards | MT | 528.91 | USD | 20251105 |
| Lihuayi Weiyuan Chem | China national standards | MT | 606.48 | USD | 20251105 |