| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 541.77 | USD | 20250828 |
| Qingdao Shengze Chem | China national standards | MT | 541.77 | USD | 20250828 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.43 | USD | 20250827 |
| Qingdao Shengze Chem | China national standards | MT | 541.43 | USD | 20250827 |
| Qingdao Shengze Chem | China national standards | MT | 541.43 | USD | 20250827 |
| Qingdao Shengze Chem | China national standards | MT | 540.82 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 540.82 | USD | 20250826 |
| Qingdao Shengze Chem | Polyester Grade | MT | 540.82 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 540.82 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 540.82 | USD | 20250826 |