| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.9 | USD | 20251201 |
| Shandong Shuojia Chem | China national standards | MT | 678.36 | USD | 20251201 |
| Beijing Yanshan Petro | China national standards | MT | 692.49 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 592.86 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.3 | USD | 20251201 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 513.01 | USD | 20251201 |
| Shandong Fusheng | China national standards | MT | 508.77 | USD | 20251201 |
| Nanjing Runsheng Petro | China national standards | MT | 607.7 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 593.56 | USD | 20251201 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 678.36 | USD | 20251201 |