| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 619.46 | USD | 20250829 |
| Qingdao Shengze Chem | China national standards | MT | 541.77 | USD | 20250828 |
| Shandong Fusheng | China national standards | MT | 703.6 | USD | 20250828 |
| Shandong Fusheng | China national standards | MT | 703.6 | USD | 20250828 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.77 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 541.77 | USD | 20250828 |
| Nanjing Daze | China national standards | MT | 773.96 | USD | 20250828 |
| Shandong Mengkanda Chem | China national standards | MT | 534.74 | USD | 20250828 |
| Shandong Qiangsen Chem | China national standards | MT | 506.59 | USD | 20250828 |
| Shandong Langchem | China national standards | MT | 626.2 | USD | 20250828 |