| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | Polyester Grade | MT | 618.6 | USD | 20250919 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.28 | USD | 20250919 |
| Qingdao Shengze Chem | China national standards | MT | 541.28 | USD | 20250919 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.28 | USD | 20250919 |
| Qingdao Shengze Chem | China national standards | MT | 541.28 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 492.07 | USD | 20250919 |
| CNOOC | China national standards | MT | 576.43 | USD | 20250919 |
| CNOOC | China national standards | MT | 576.43 | USD | 20250919 |
| Jinan Jinrihe Chem | China national standards | MT | 576.43 | USD | 20250919 |
| Jinan Jinrihe Chem | China national standards | MT | 576.43 | USD | 20250919 |