| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 600.39 | USD | 20251022 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 546.83 | USD | 20251022 |
| Qingdao Shengze Chem | China national standards | MT | 528.51 | USD | 20251022 |
| Qingdao Shengze Chem | China national standards | MT | 528.51 | USD | 20251022 |
| Qingdao Shengze Chem | China national standards | MT | 528.51 | USD | 20251022 |
| Qingdao Shengze Chem | China national standards | MT | 528.51 | USD | 20251022 |
| Shandong Rongxin | Polyester Resin Grade | MT | 560.93 | USD | 20251022 |
| Beijing Yanshan Petro | China national standards | MT | 690.59 | USD | 20251022 |
| Shandong Jinshenrun Chem | China national standards | MT | 577.84 | USD | 20251022 |
| Shandong Jinshenrun Chem | China national standards | MT | 563.75 | USD | 20251022 |