| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 607.13 | USD | 20251116 |
| Shandong Jinshenrun Chem | China national standards | MT | 564.77 | USD | 20251116 |
| Shandong Hualu | Polyester Resin Grade | MT | 529.47 | USD | 20251116 |
| Qingdao Shengze Chem | China national standards | MT | 529.47 | USD | 20251116 |
| Qingdao Shengze Chem | China national standards | MT | 529.47 | USD | 20251116 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.13 | USD | 20251116 |
| Shandong LuoHeng Chem | China national standards | MT | 578.89 | USD | 20251116 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 564.77 | USD | 20251115 |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | 543.59 | USD | 20251115 |
| Qingdao Shengze Chem | Polyester Resin Grade | MT | 529.47 | USD | 20251115 |