| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 621.83 | USD | 20251201 |
| Shandong Rongxin | Polyester Resin Grade | MT | 537.03 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.7 | USD | 20251201 |
| Shandong Qiangsen Chem | China national standards | MT | 508.77 | USD | 20251201 |
| Nanjing Runsheng Petro | Polyester Grade | MT | 607.7 | USD | 20251201 |
| Shandong Zhenkun | China national standards | MT | 607.7 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 628.9 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 592.86 | USD | 20251201 |
| Nanjing Runsheng Petro | China national standards | MT | 635.96 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.9 | USD | 20251201 |