| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.41 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 508.3 | USD | 20251115 |
| Qingdao Shengze Chem | China national standards | MT | 529.47 | USD | 20251115 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 564.77 | USD | 20251115 |
| Beijing Yanshan Petro | China national standards | MT | 522.41 | USD | 20251115 |
| Shandong Qiangsen Chem | China national standards | MT | 508.3 | USD | 20251115 |
| Qingdao Shengze Chem | China national standards | MT | 529.47 | USD | 20251115 |
| Sinopec | China national standards | MT | 614.19 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 628.31 | USD | 20251115 |
| Shandong Junfeng | China national standards | MT | 621.25 | USD | 20251115 |