| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 539.43 | USD | 20250816 |
| Shandong Qiangsen Chem | China national standards | MT | 504.41 | USD | 20250816 |
| Qingdao Shengze Chem | China national standards | MT | 539.43 | USD | 20250815 |
| Qingdao Shengze Chem | China national standards | MT | 539.43 | USD | 20250815 |
| Qingdao Shengze Chem | Polyester Grade | MT | 539.43 | USD | 20250815 |
| Qingdao Shengze Chem | China national standards | MT | 539.43 | USD | 20250815 |
| Nanjing Baitu Chem | China national standards | MT | 616.5 | USD | 20250815 |
| Nanjing Baitu Chem | China national standards | MT | 616.5 | USD | 20250815 |
| Shandong Qiangsen Chem | China national standards | MT | 504.41 | USD | 20250815 |
| Shandong Langchem | China national standards | MT | 504.41 | USD | 20250815 |