| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 541.86 | USD | 20250904 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.86 | USD | 20250904 |
| Qingdao Shengze Chem | China national standards | MT | 541.57 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 541.57 | USD | 20250902 |
| Shandong Fusheng | China national standards | MT | 703.34 | USD | 20250902 |
| Shandong Fusheng | China national standards | MT | 703.34 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 541.7 | USD | 20250901 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.7 | USD | 20250901 |
| Qingdao Shengze Chem | China national standards | MT | 541.7 | USD | 20250901 |
| Nanjing Baitu Chem | China national standards | MT | 619.09 | USD | 20250901 |