| Vendor | Spec | Unit | Price | Currency | Date |
| CNOOC | Polyester Grade | MT | 534.57 | USD | 20250918 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 541.61 | USD | 20250918 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.61 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 541.61 | USD | 20250918 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.61 | USD | 20250918 |
| Shandong Jinshenrun Chem | China national standards | MT | 618.98 | USD | 20250918 |
| Shandong Jinshenrun Chem | China national standards | MT | 590.84 | USD | 20250918 |
| CNPC | China national standards | MT | 634.45 | USD | 20250918 |
| CNPC | China national standards | MT | 634.45 | USD | 20250918 |
| BASF YPC | China national standards | MT | 626.01 | USD | 20250918 |