| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 598.72 | USD | 20250928 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 555.15 | USD | 20250928 |
| Satellite Chem | China national standards | MT | 598.72 | USD | 20250928 |
| Qingdao Shengze Chem | China national standards | MT | 541.1 | USD | 20250928 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.1 | USD | 20250928 |
| Qingdao Shengze Chem | China national standards | MT | 541.1 | USD | 20250928 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.1 | USD | 20250928 |
| Yangmei Shouyang Chem | Polyester Resin Grade | MT | 618.39 | USD | 20250928 |
| Shandong LuoHeng Chem | China national standards | MT | 576.23 | USD | 20250928 |
| Shandong LuoHeng Chem | China national standards | MT | 576.23 | USD | 20250928 |