| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 492.22 | USD | 20250922 |
| Linyi Haoxuan | Polyester Grade | MT | 632.86 | USD | 20250922 |
| Shandong Linglin | Polyester Grade | MT | 604.73 | USD | 20250922 |
| Shandong Huize Chem | Polyester Resin Grade | MT | 604.73 | USD | 20250922 |
| Beijing Yanshan Petro | China national standards | MT | 599.11 | USD | 20250922 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 562.54 | USD | 20250922 |
| Jinan Dezheng Chem | China national standards | MT | 541.45 | USD | 20250922 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.45 | USD | 20250922 |
| CNOOC | China national standards | MT | 576.6 | USD | 20250922 |
| Jinan Jinrihe Chem | China national standards | MT | 576.6 | USD | 20250922 |