| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | 543.99 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.58 | USD | 20251209 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 536.93 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 480.41 | USD | 20251209 |
| Linyi Haoxuan | Polyester Grade | MT | 635.84 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 491.71 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 678.22 | USD | 20251209 |
| Shandong Zhenkun | China national standards | MT | 607.58 | USD | 20251209 |
| CNOOC | Polyester Grade | MT | 649.97 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 491.71 | USD | 20251209 |