| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.1 | USD | 20250926 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.82 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 541.82 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 541.82 | USD | 20250925 |
| Qingdao Shengze Chem | China national standards | MT | 541.82 | USD | 20250924 |
| Qingdao Shengze Chem | China national standards | MT | 541.82 | USD | 20250924 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.82 | USD | 20250924 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.82 | USD | 20250923 |
| Qingdao Shengze Chem | China national standards | MT | 541.82 | USD | 20250923 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.45 | USD | 20250922 |