| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 591.09 | USD | 20251001 |
| Lihuayi Weiyuan Chem | China national standards | MT | 605.17 | USD | 20251001 |
| Shandong Zhenkun | China national standards | MT | 605.17 | USD | 20251001 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 555.91 | USD | 20251001 |
| Shandong Qiangsen Chem | China national standards | MT | 506.65 | USD | 20250930 |
| Shandong Shuojia Chem | Polyester Grade | MT | 619.24 | USD | 20250930 |
| Shandong Shuojia Chem | Polyester Grade | MT | 619.24 | USD | 20250930 |
| Sinopec | China national standards | MT | 619.24 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 619.24 | USD | 20250930 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 555.91 | USD | 20250930 |