| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 534.25 | USD | 20250919 |
| Qingdao Chengxin Chem | China national standards | MT | 534.25 | USD | 20250919 |
| Weifang Mingbo Chem | China national standards | MT | 534.25 | USD | 20250919 |
| Satellite Chem | China national standards | MT | 604.54 | USD | 20250919 |
| Shandong Qiangsen Chem | China national standards | MT | 506.13 | USD | 20250919 |
| Sinopec | China national standards | MT | 731.08 | USD | 20250919 |
| Jinan Dezheng Chem | China national standards | MT | 541.28 | USD | 20250919 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.28 | USD | 20250919 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 576.43 | USD | 20250919 |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | 569.4 | USD | 20250919 |