| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 592.05 | USD | 20251110 |
| Shandong Zhiheng | China national standards | MT | 592.05 | USD | 20251110 |
| Qingdao Shengze Chem | China national standards | MT | 529.39 | USD | 20251109 |
| Shandong Jinshenrun Chem | China national standards | MT | 578.8 | USD | 20251109 |
| Shandong Hualu | Polyester Resin Grade | MT | 529.39 | USD | 20251109 |
| Qingdao Shengze Chem | China national standards | MT | 529.39 | USD | 20251109 |
| Qingdao Shengze Chem | Polyester Grade | MT | 529.39 | USD | 20251109 |
| Qingdao Shengze Chem | China national standards | MT | 529.39 | USD | 20251109 |
| Shandong Yihe Chem | China national standards | MT | 515.27 | USD | 20251109 |
| Shandong Yihe Chem | China national standards | MT | 536.45 | USD | 20251109 |