| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 621.15 | USD | 20251107 |
| Shandong Fusheng | China national standards | MT | 564.68 | USD | 20251107 |
| Shandong Fusheng | China national standards | MT | 635.27 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 592.21 | USD | 20251107 |
| Shandong Zhiheng | China national standards | MT | 592.21 | USD | 20251107 |
| Shandong Zhenkun | China national standards | MT | 607.04 | USD | 20251107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.04 | USD | 20251107 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 533.63 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 529.39 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 529.39 | USD | 20251107 |