| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Polyester Grade | MT | 542.19 | USD | 20250909 |
| Qingdao Shengze Chem | China national standards | MT | 542.19 | USD | 20250909 |
| Qingdao Shengze Chem | China national standards | MT | 542.19 | USD | 20250909 |
| Nanjing Baitu Chem | China national standards | MT | 619.65 | USD | 20250909 |
| Nanjing Baitu Chem | China national standards | MT | 619.65 | USD | 20250909 |
| Shandong Qiangsen Chem | China national standards | MT | 506.99 | USD | 20250909 |
| Shandong Langchem | China national standards | MT | 506.99 | USD | 20250909 |
| Shandong Jinwen Chem | China national standards | MT | 506.99 | USD | 20250909 |
| Shandong Fusheng | China national standards | MT | 704.15 | USD | 20250909 |
| Shandong Fusheng | China national standards | MT | 704.15 | USD | 20250909 |