| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 592.56 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 621.52 | USD | 20251202 |
| CNOOC | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 536.77 | USD | 20251202 |
| Yangmei Shouyang Chem | Polyester Resin Grade | MT | 621.52 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 508.52 | USD | 20251202 |
| Shandong Junfeng | China national standards | MT | 621.52 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 515.58 | USD | 20251202 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.27 | USD | 20251202 |
| Nanjing Baitu Chem | China national standards | MT | 621.52 | USD | 20251202 |