| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Nanjing Baitu Chem | China national standards | MT | 620.12 | USD | 20251022 |
| Nanjing Baitu Chem | China national standards | MT | 620.12 | USD | 20251022 |
| Shandong Mengkanda Chem | China national standards | MT | 535.56 | USD | 20251022 |
| Zaozhuang Yitai | China national standards | MT | 606.03 | USD | 20251022 |