| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 508.73 | USD | 20251208 |
| Shandong Shuojia Chem | Polyester Grade | MT | 678.31 | USD | 20251208 |
| Shandong Hualu | Polyester Resin Grade | MT | 491.78 | USD | 20251208 |
| Sinopec | China national standards | MT | 614.72 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 508.73 | USD | 20251208 |
| Shandong Yushuo Chem | Polyester Grade | MT | 551.13 | USD | 20251208 |
| Shandong Yihe Chem | China national standards | MT | 537.0 | USD | 20251208 |
| Sinopec | China national standards | MT | 678.31 | USD | 20251208 |
| Shandong Hualu | Polyester Resin Grade | MT | 491.78 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.26 | USD | 20251208 |