| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 539.53 | USD | 20250819 |
| Shandong Mengkanda Chem | China national standards | MT | 532.52 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 539.53 | USD | 20250819 |
| Qingdao Shengze Chem | China national standards | MT | 539.53 | USD | 20250819 |
| Qingdao Shengze Chem | Polyester Grade | MT | 539.53 | USD | 20250819 |
| Shandong Qiangsen Chem | China national standards | MT | 504.49 | USD | 20250819 |
| Shandong Jinwen Chem | China national standards | MT | 504.49 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 623.61 | USD | 20250819 |
| Shandong Langchem | China national standards | MT | 504.49 | USD | 20250819 |
| Shandong Fusheng | China national standards | MT | 700.68 | USD | 20250819 |