| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 539.81 | USD | 20250823 |
| Shandong Qiangsen Chem | China national standards | MT | 504.76 | USD | 20250823 |
| Qingdao Shengze Chem | China national standards | MT | 539.81 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 539.81 | USD | 20250822 |
| Qingdao Shengze Chem | Polyester Grade | MT | 539.81 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 539.81 | USD | 20250822 |
| Nanjing Baitu Chem | China national standards | MT | 616.93 | USD | 20250822 |
| Nanjing Baitu Chem | China national standards | MT | 616.93 | USD | 20250822 |
| Shandong Qiangsen Chem | China national standards | MT | 504.76 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 504.76 | USD | 20250822 |